Regarding the $imagehw = GetImageSize($thephoto); in the postbit-addon hack, I put it back in to try to get it to work because the thumbnails sucked.
When I originally loaded this hack, I received the error at the top of the page:
Warning: getimagesize: Unable to open 'http://www.thingsarentwhattheyseem.com/vb/images/uploaded/1_photo.jpg' for reading. in /home/thingsar/public_html/vb/admin/functions.php on line 212
Then it worked for the day (not sure why), I showed it off to friends. But just now, it's doing it again, and I haven't changed it anymore.
I found an interesting site that examined why GetImageSize doesn't always work. There are several workarounds but I don't know how to make them work here, if they even will in this situation. Maybe someone that knows what they are doing could take a look when you get a chance?
http://www.php.net/manual/en/function.getimagesize.php