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TwentyTen theme will break galleries with more then 3 columns (also 2 columns galleries look strange). This is a little fix.

TwentyTen, the default WordPress theme, removes the default dynamic styles from WordPress galleries, and adds some static CSS, so galleries with anything but 3 columns look broken. It’s not a WordPress bug, it is TwentyTen specific.

What is the problem? TwentyTen theme’s CSS sets all the gallery items width to 33%, so any gallery with more then 3 columns looks broken (the items are thrown on the next row), as the the total width of the gallery excedes the post width (4 x 33% = 132%).

This plugin adds some custom classes to galleries (eg. 4 columns: .width-25), and some CSS that fixes the width problem.

No configuration needed. Just upload, and install. The galleries will look as they should.

Plugin's page