Template:Gallery/testcases

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Washington

{{Gallery
|title=Cultural depictions of George Washington
|width=170
|height=160
|noborder=yes
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
|File:2006 Quarter Proof.png|alt3=Shiny silver coin with profile of Washington bust. He faces left regally and wears a colonial-style queue in his hair. "UNITED STATES OF AMERICA" is at top, "QUARTER DOLLAR" at bottom, "LIBERTY" at left, and "IN GOD WE TRUST" above "S" at right. Just below the bust is "JF uc" in tiny letters.|Washington is commemorated on the [[Quarter (United States coin)|quarter]].
|File:George_Washington_Presidential_$1_Coin_obverse.png|alt4=Gold coin with bust of Washington facing slightly left of but looking sternly straight at the viewer. "GEORGE WASHINGTON" is above, "1st PRESIDENT 1789–1797" below, and "JFM" in tiny letters at the bust's base.|Washington is also commemorated on some [[dollar coin (United States)|dollar coins]].
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

<gallery>...</gallery>

Cultural depictions of George Washington
The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

{{Gallery
|title=Cultural depictions of George Washington
|width=170
|height=160
|footer=Footer test: The quick brown fox jumps over the lazy doge.
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.

CSS

{{Gallery
|title=Cultural depictions of George Washington
|width=170
|height=160
|style=background:red;color:white;
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.

<gallery>...</gallery>

Cultural depictions of George Washington
The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.

no width

{{Gallery
|title=Cultural depictions of George Washington
|height=160
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
|File:2006 Quarter Proof.png|alt3=Shiny silver coin with profile of Washington bust. He faces left regally and wears a colonial-style queue in his hair. "UNITED STATES OF AMERICA" is at top, "QUARTER DOLLAR" at bottom, "LIBERTY" at left, and "IN GOD WE TRUST" above "S" at right. Just below the bust is "JF uc" in tiny letters.|Washington is commemorated on the [[Quarter (United States coin)|quarter]].
|File:George_Washington_Presidential_$1_Coin_obverse.png|alt4=Gold coin with bust of Washington facing slightly left of but looking sternly straight at the viewer. "GEORGE WASHINGTON" is above, "1st PRESIDENT 1789–1797" below, and "JFM" in tiny letters at the bust's base.|Washington is also commemorated on some [[dollar coin (United States)|dollar coins]].
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

width

{{Gallery
|title=Cultural depictions of George Washington
|width=100
|height=160
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
|File:2006 Quarter Proof.png|alt3=Shiny silver coin with profile of Washington bust. He faces left regally and wears a colonial-style queue in his hair. "UNITED STATES OF AMERICA" is at top, "QUARTER DOLLAR" at bottom, "LIBERTY" at left, and "IN GOD WE TRUST" above "S" at right. Just below the bust is "JF uc" in tiny letters.|Washington is commemorated on the [[Quarter (United States coin)|quarter]].
|File:George_Washington_Presidential_$1_Coin_obverse.png|alt4=Gold coin with bust of Washington facing slightly left of but looking sternly straight at the viewer. "GEORGE WASHINGTON" is above, "1st PRESIDENT 1789–1797" below, and "JFM" in tiny letters at the bust's base.|Washington is also commemorated on some [[dollar coin (United States)|dollar coins]].
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Per-image width

{{Gallery
|title=Cultural depictions of George Washington
|width=120 |height=100 
|align=center
|footer=Example 2
|File:Federal Hall NYC 27.JPG
|alt1=Statue facing a city building with Greek columns
 |Statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg
|alt2=Profile of stone face on mountainside, with 3 workers.
 |Work on Washington portrait at [[Mount Rushmore]], c. 1932.
|File:2006 Quarter Proof.png
|alt3=Shiny silver coin with profile of Washington bust. 
 |Washington on a [[Quarter (United States coin)|quarter]].
|File:United_States_one_dollar_bill,_obverse.jpg 
|alt4=Front side of U.S. dollar bill, with Washington portrait in center.
 |[[United States one-dollar bill|U.S. one-dollar bill]].
|File:George Washington Presidential $1 Coin obverse.png
|alt5=Gold coin with bust of Washington facing left
 |Washington on a [[dollar coin (United States)|dollar coin]].
}}

Cultural depictions of George Washington

Statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Work on Washington portrait at Mount Rushmore, c. 1932.
Washington on a quarter.
U.S. one-dollar bill.
Washington on a dollar coin.

Cultural depictions of George Washington

Statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Work on Washington portrait at Mount Rushmore, c. 1932.
Washington on a quarter.
U.S. one-dollar bill.
Washington on a dollar coin.

Line-breaks around image names

{{Gallery
|title=Cultural depictions of George Washington
|width=170
|height=160
|File:Federal Hall NYC 27.JPG
|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].|
File:Mount Rushmore2.jpg
|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
|
File:2006 Quarter Proof.png | alt3=Shiny silver coin with profile of Washington bust. He faces left regally and wears a colonial-style queue in his hair. "UNITED STATES OF AMERICA" is at top, "QUARTER DOLLAR" at bottom, "LIBERTY" at left, and "IN GOD WE TRUST" above "S" at right. Just below the bust is "JF uc" in tiny letters.|Washington is commemorated on the [[Quarter (United States coin)|quarter]].
|  File:George_Washington_Presidential_$1_Coin_obverse.png
|alt4=Gold coin with bust of Washington facing slightly left of but looking sternly straight at the viewer. "GEORGE WASHINGTON" is above, "1st PRESIDENT 1789–1797" below, and "JFM" in tiny letters at the bust's base.|Washington is also commemorated on some [[dollar coin (United States)|dollar coins]].
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Too-narrow width

{{Gallery
|title=Cultural depictions of George Washington
|width=20
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
|File:2006 Quarter Proof.png|alt3=Shiny silver coin with profile of Washington bust. He faces left regally and wears a colonial-style queue in his hair. "UNITED STATES OF AMERICA" is at top, "QUARTER DOLLAR" at bottom, "LIBERTY" at left, and "IN GOD WE TRUST" above "S" at right. Just below the bust is "JF uc" in tiny letters.|Washington is commemorated on the [[Quarter (United States coin)|quarter]].
|File:George_Washington_Presidential_$1_Coin_obverse.png|alt4=Gold coin with bust of Washington facing slightly left of but looking sternly straight at the viewer. "GEORGE WASHINGTON" is above, "1st PRESIDENT 1789–1797" below, and "JFM" in tiny letters at the bust's base.|Washington is also commemorated on some [[dollar coin (United States)|dollar coins]].
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Too-narrow width

{{Gallery
|title=Cultural depictions of George Washington
|width=20
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|<div>The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].</div>
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|<div>Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.</div>
|File:2006 Quarter Proof.png|alt3=Shiny silver coin with profile of Washington bust. He faces left regally and wears a colonial-style queue in his hair. "UNITED STATES OF AMERICA" is at top, "QUARTER DOLLAR" at bottom, "LIBERTY" at left, and "IN GOD WE TRUST" above "S" at right. Just below the bust is "JF uc" in tiny letters.|Washington is commemorated on the [[Quarter (United States coin)|quarter]].
|File:George_Washington_Presidential_$1_Coin_obverse.png|alt4=Gold coin with bust of Washington facing slightly left of but looking sternly straight at the viewer. "GEORGE WASHINGTON" is above, "1st PRESIDENT 1789–1797" below, and "JFM" in tiny letters at the bust's base.|Washington is also commemorated on some [[dollar coin (United States)|dollar coins]].
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

No title

{{Gallery
|width=170
|height=160
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
}}

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.

No white background

{{Gallery
|width=170
|height=160
|noborder=yes
|whitebg=no
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
|File:2006 Quarter Proof.png 
|Washington is commemorated on a [[Quarter (United States coin)|quarter]].
|File:George Washington Presidential $1 Coin obverse.png 
|Washington on a [[dollar coin (United States)|dollar coin]]
}}

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on a quarter.
Washington on a dollar coin

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on a quarter.
Washington on a dollar coin

No images

{{Gallery
|width=170
|height=160
|title=Cultural depictions of George Washington
}}

Cultural depictions of George Washington

Empty file names

{{Gallery
|title=Cultural depictions of George Washington
|width=170
|height=160
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
||alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
|File:2006 Quarter Proof.png|alt3=Shiny silver coin with profile of Washington bust. He faces left regally and wears a colonial-style queue in his hair. "UNITED STATES OF AMERICA" is at top, "QUARTER DOLLAR" at bottom, "LIBERTY" at left, and "IN GOD WE TRUST" above "S" at right. Just below the bust is "JF uc" in tiny letters.|Washington is commemorated on the [[Quarter (United States coin)|quarter]].
||alt4=Gold coin with bust of Washington facing slightly left of but looking sternly straight at the viewer. "GEORGE WASHINGTON" is above, "1st PRESIDENT 1789–1797" below, and "JFM" in tiny letters at the bust's base.|Washington is also commemorated on some [[dollar coin (United States)|dollar coins]].
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Washington is commemorated on the quarter.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Washington is commemorated on the quarter.

Borders

{{Gallery
|title=Cultural depictions of George Washington
|width=170
|height=160
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|The statue of Washington outside [[Federal Hall]] in [[New York City]], looking on [[Wall Street]].
|File:Mount Rushmore2.jpg|alt2=Profile of stone face jutting out from a mountainside. Three workers clamber over it, each about the height of the face's upper lip.|Construction on the George Washington portrait at [[Mount Rushmore]], c. 1932.
|File:2006 Quarter Proof.png|alt3=Shiny silver coin with profile of Washington bust. He faces left regally and wears a colonial-style queue in his hair. "UNITED STATES OF AMERICA" is at top, "QUARTER DOLLAR" at bottom, "LIBERTY" at left, and "IN GOD WE TRUST" above "S" at right. Just below the bust is "JF uc" in tiny letters.|Washington is commemorated on the [[Quarter (United States coin)|quarter]].|noborder3=
|File:George_Washington_Presidential_$1_Coin_obverse.png|alt4=Gold coin with bust of Washington facing slightly left of but looking sternly straight at the viewer. "GEORGE WASHINGTON" is above, "1st PRESIDENT 1789–1797" below, and "JFM" in tiny letters at the bust's base.|Washington is also commemorated on some [[dollar coin (United States)|dollar coins]].
}}

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Cultural depictions of George Washington

The statue of Washington outside Federal Hall in New York City, looking on Wall Street.
Construction on the George Washington portrait at Mount Rushmore, c. 1932.
Washington is commemorated on the quarter.
Washington is also commemorated on some dollar coins.

Single image

{{Gallery
|width=100
|height=120
|File:Federal Hall NYC 27.JPG|alt1=Back of statue facing a city building whose facade is Greek columns covered by a huge U.S. flag|<small>A statue of Washington</small>
}}

A statue of Washington

A statue of Washington

<gallery>...</gallery>

A statue of Washington

Standard image syntax

Aligning

Main template

Example
Example

Non-aligned

Example
Example

Left-aligned

Example
Example

Right-aligned

Example
Example

Galinha à Africana
Galinha à Portuguesa
Pastéis de nata
Pato de cabidela
Minchi

Pork chop bun
Apricot kernel biscuit
The Macau ginger milk curd resembles this Hong Kong ginger milk curd.

Center-aligned

Sandbox

Example
Example

Non-aligned

Example
Example

Left-aligned

Example
Example

Right-aligned

Example
Example

Galinha à Africana
Galinha à Portuguesa
Pastéis de nata
Pato de cabidela
Minchi

Pork chop bun
Apricot kernel biscuit
The Macau ginger milk curd resembles this Hong Kong ginger milk curd.

Center-aligned

Larger gallery with different height captions

{{Gallery
<!-- |title= -->
|width=140 | height=170 
|align=left
<!-- |footer= -->
| File:HMAS Stuart 1984 DF-ST-85-06920.jpg
 | [[Royal Australian Navy]] ensign (foreground), Royal Australian Navy jack (background)
| File:Air Force Ensign of Australia.svg
 | [[Royal Australian Air Force Ensign]]
| File:Flag of Finnish yacht clubs.svg
 | [[List of flags of Finland#Yachting|Finnish yacht club ensign]]. The circled X represents the club [[emblem]]
| File:Naval Ensign of India.svg
 | [[Indian Navy]] Ensign 
| File:Naval Ensign of Italy.svg
 | Naval ensign of [[Italian Navy|Italy]]
|File:Naval Ensign of Japan.svg
 | Naval ensign of the [[Imperial Japanese Navy]] and the [[Japan Maritime Self-Defense Force]]
| File:0906 Bandera Marynarki Wojennej RP ORP Toruń.jpg
 | [[Polish Navy]] ensign
| File:Naval Ensign of Russia.svg
 | [[Russian Navy Ensign|Ensign]] of the [[Russian Navy]]
| File:Naval Jack of Russia.svg
 | Naval Jack of Russia
| File:Bandera yate.png
 | Spanish [[yacht ensign]]
| File:Naval Ensign of Sri Lanka.svg
 | Naval ensign of [[Sri Lanka Navy|Sri Lanka]]
| File:Naval Ensign of Ukraine.svg
 | [[Ukrainian Navy]] ensign
| File:Civil Ensign of the United Kingdom.svg
 | The [[Red Ensign]] as currently used for British civilian vessels
| File:Ensign of the United States Coast Guard.svg
 | [[United States Coast Guard]] ensign
}}

Royal Australian Navy ensign (foreground), Royal Australian Navy jack (background)
Royal Australian Air Force Ensign
Finnish yacht club ensign. The circled X represents the club emblem
Indian Navy Ensign
Naval ensign of Italy
Naval ensign of the Imperial Japanese Navy and the Japan Maritime Self-Defense Force
Polish Navy ensign
Ensign of the Russian Navy
Naval Jack of Russia
Spanish yacht ensign
Naval ensign of Sri Lanka
Ukrainian Navy ensign
The Red Ensign as currently used for British civilian vessels
United States Coast Guard ensign

Royal Australian Navy ensign (foreground), Royal Australian Navy jack (background)
Royal Australian Air Force Ensign
Finnish yacht club ensign. The circled X represents the club emblem
Indian Navy Ensign
Naval ensign of Italy
Naval ensign of the Imperial Japanese Navy and the Japan Maritime Self-Defense Force
Polish Navy ensign
Ensign of the Russian Navy
Naval Jack of Russia
Spanish yacht ensign
Naval ensign of Sri Lanka
Ukrainian Navy ensign
The Red Ensign as currently used for British civilian vessels
United States Coast Guard ensign

<gallery>...</gallery>

Royal Australian Navy ensign (foreground), Royal Australian Navy jack (background)
Royal Australian Air Force Ensign
Finnish yacht club ensign. The circled X represents the club emblem
Indian Navy Ensign
Naval ensign of Italy
Naval ensign of the Imperial Japanese Navy and the Japan Maritime Self-Defense Force
Polish Navy ensign
Ensign of the Russian Navy
Naval Jack of Russia
Spanish yacht ensign
Naval ensign of Sri Lanka
Ukrainian Navy ensign
The Red Ensign as currently used for British civilian vessels
United States Coast Guard ensign

Centering using style parameter

style=margin:auto works for a single line (although if you shrink the window, the gallery switches to left-aligned)

{{Gallery|Image:Cleland Mausoleum.jpg|The Cleland Mausoleum
|Image:Dundonald 2.jpg|Aerial view of Dundonald
|Image:Presbyterian Church, Dundonald.JPG|Former National School 
|style=margin:auto |width=135}}

The Cleland Mausoleum
Aerial view of Dundonald
Former National School

The Cleland Mausoleum
Aerial view of Dundonald
Former National School

style=margin:auto works for multiple lines with perrow=

{{Gallery|File:Pintoricchio_014.jpg| [[Pope Pius II]]
|File:Georg_Wilhelm_Friedrich_Hegel00.jpg| [[Georg Wilhelm Friedrich Hegel]]
|File:Dmitri_Ivanowitsh_Mendeleev.jpg| [[Dmitri Mendeleev]]
|File:Max Weber, 1918.jpg| [[Max Weber]]
|File:Hirata Tosuke (cropped).jpg|[[Hirata Tosuke]]
|File:Helmut Kohl (1996) cropped.jpg| [[Helmut Kohl]]
|perrow=2 |style=margin:auto |width=135}}

align=center works for multiple lines with perrow=

{{Gallery|File:Pintoricchio_014.jpg| [[Pope Pius II]]
|File:Georg_Wilhelm_Friedrich_Hegel00.jpg| [[Georg Wilhelm Friedrich Hegel]]
|File:Dmitri_Ivanowitsh_Mendeleev.jpg| [[Dmitri Mendeleev]]
|File:Max Weber, 1918.jpg| [[Max Weber]]
|File:Hirata Tosuke (cropped).jpg|[[Hirata Tosuke]]
|File:Helmut Kohl (1996) cropped.jpg| [[Helmut Kohl]]
|align=center |perrow=2 |width=135}}

style=text-align:center centers captions only (correct behavior)

{{Gallery|File:Pintoricchio_014.jpg| [[Pope Pius II]]
|File:Georg_Wilhelm_Friedrich_Hegel00.jpg| [[Georg Wilhelm Friedrich Hegel]]
|File:Dmitri_Ivanowitsh_Mendeleev.jpg| [[Dmitri Mendeleev]]
|File:Max Weber, 1918.jpg| [[Max Weber]]
|File:Hirata Tosuke (cropped).jpg|[[Hirata Tosuke]]
|File:Helmut Kohl (1996) cropped.jpg| [[Helmut Kohl]]
|perrow=2 |style=text-align:center |width=135}}