I actually like your site alot. The pages do load a tiny bit slowly, but due to the way you have your site designed, there's lots of things to look at in the few seconds it takes for the new page to load. I haven't had a page load on your site take more than 3 seconds. I can't imagine the speed would dissuade anyone who's actually interested in the sorts of pics your site offers.
The only thing I find slow about your site is the 'add tags' section when uploading pics, and that's a minuscule annoyance at best
As a viewer, I don't see a problem at all. Your site has some seriously gorgeous photography. 3 seconds (or four, if that's what your stats are showing) shouldn't be a big deal.