Originally Posted by KW802
The thumbnails generated from Gallery can be changed by choosing ACP => vBa Gallery => Modify Settings => Uploading Options => Thumb Size. Change the value to be the size you want your thumbs to be. For example, if you enter "100" then you thumbs will be sized to "100x100", if you enter "75" then it'll be "75x75" and so on.
Just remember that it's a universal setting so if you make that some really big number then all of your thumbnails will use that size.
that didn't work on CATEGORY thumbs (autogenerated ones).
no other way?