Dapper: start a new thread. In short your listings are slow because of "Seller Circle Gallery"
Your photos loaded for me in less than a second. The page jammed up on Seller Circle Gallery for probably 20 seconds then that completely failed to load.
I was using Firefox which let everything else load nicely though. Other browsers may choke and not load correctly because of things like that. I tried it in IE and nothing in your description showed until the Seller Circle gallery failed. That's a huge problem.