1. The gallery 1,2,3... try to organize them into a gallery page and inside the page make different sub-menus that correspond to your works.
[ex: acrylic, ornaments]
" This can help you free up your gallery buttons."
2. You can always make your photos pop out on your page, by trying to get a flash picture script thingy.
Your site has many features, correct me if i am wrong, this site is like an archive site for pictures? because your tab menu are all galleries. . . as an advice why dont you make your home page so busy, i mean put more images. . . try to use mootools gallery slideshows im sure it will be look more attrractive. .
all in all your site is good try to vist the links below designs might help