Yet another script announcement...
If you have a high screen resolution (1280x? and above), you might have noticed that galleries and categories waste a lot of screen space, as they only show four thumbnails in a row. The user option to resize the thumbnails is currently deactivated for caching doomsday predictions, AFAIK.
But fear not, have a tiny JavaScript to rearrange thumbnails in gallery tables, so your screen width will be optimally filled: [[MediaWiki:ResizeGalleries.js]]
I keep having the vague notion of someone else who wrote a script like that before, but I didn't see it on [[Category:User scripts]]. Maybe it's just because its sooo obvious...
Cheers, Magnus