Tourmaline
Tourmaline is a four-column theme made for personal photo-blogging. It features a cool gray-scale home page showing colored photos only when you hover on top of each photo.
Insouciance
Insouciance is a two-column blog theme designed for sites focused on publishing long articles. It has built in site-wide and per-page layout options, per page/post custom stylesheet capability, custom menu, logo uploader, and a page template for featuring a slideshow on your home page.
Beaver
Beaver is a single-column theme. It supports all ten post formats and has a logo uploader, custom header image, widgets, and custom menus. Also, it supports per post stylesheet and custom post templates. For gallery posts on home and archive pages, it displays a slider to showcase attached images.