Originally Posted by AdultKing

That's outright bullshit. PHP has image functions that allow you to resize images on the fly, you could also resize the images into a thumbnails directory on upload and reference those where thumbnails are required. Your programmers are crap, being so crap you have to wonder how insecure your site is.

Get new programmers, or actually abandon the software you have and use a ready made solution based on WordPress. It sounds like you have nightmare code.