Here is some beautiful WordPress photo gallery themes. WordPress in a awesome tool and you can either have a premium theme of a free theme.
There are tons of Free WordPress themes and a lot of great showcases themes, but it can still be difficult to find the right theme for you photo blog. Here is a list of really nice WordPress photo gallery themes. Enjoy !
8 Beautiful WordPress Photo Gallery Themes
Widescreen
FullScreen
Photo Nexus
Photocrati
Modern Business
Dobinfolio
Photocrati Focus
Delicious Photography