Welcome to our Bugs Forum!
Since this software is still in development, there are bound to be bugs. Please post them here. As bugs are fixed they will be filed in the "Fixed" subforum. Also Note templates used is particular forum is not part of the standard fusion package and was modified by couchtomatoe.
If a gallery post is made & the uploaded image is placed using the thumb or full markup from the file manager & the mods then have to move it to another gallery you get a second set of thumbs appear at the top of the post! Once in the new location they have to click edit & submit & it resolves itself.