No, I simply made a mysqldump and copied it to the new server and restored. The thumbnails that are not working correctly are actually tied to the right user ID, they're just not tied to the right photo. So you click on the the thumbnail and it shows a different photo. No, no other db changes were made aside from the move. We did just update the vb
script and the vbgallery script a few weeks afterward though.
The only logical conclusion that I can come up with is this - the large photos were lost and the thumbnails were not, so when someone uploads a photo, the naming scheme used by vbgallery adds a photo with the next available number but then still has a record of that number with an old thumbnail on hand. So the old thumbnail shows for the new larger photo. Question is, how do I correct this?