CoolBlue is a 3-column, widget- and adsense-ready theme from the iBlue family. It features a solid blue header with the main content area sitting on a white background. Both sidebar columns appear on the right side without crowding the main content area.
Modicus is a 3-column, minimalist theme with a very different approach to theme design and layout. It is a spacious 3-column theme with two widget-ready sidebars, optional home page, and includes 5 optional plugins.
NightLife is a Performancing theme for WordPress.
The Vistered Little Theme has a transparent/glass like interface and is heavily customisable, has changeable wallpapers and is skinable. It uses the Skinner Plugin for switching the skins the Presentation Toolkit plugin for customization
RedPetals is a 3-column, black-colored theme with a green header, red flower, and a torn-edge look. Also check out YellowPetals, PinkLove, SkyBlue, and PurePurple by the same author. (All themes contain sponsored links.)