would it help if i add a option when you edit the post to add the image ids of image?
and then it will show only those image ids.. randomizing between them
basically i added galleries as those are one time for all forums.. but if you want i can do it that way also.
btw have a look at this ... just in case this is what you need
http://www.vbulletin.org/forum/showt...t=geek+gallery
a mod by our very own geek