A nice subtle child theme for BuddyPress. You can upload a custom header (or download a blank one at: http://angelicaflorine.net/goodies/wordpress-goodies/my-buddypress-theme/). Widgets can be used with this theme as it has been formatted using the default theme. Feel free to share, but do NOT feel free to steal! :)
The Diabolique Fountain wordpress theme will be a wonderful choice for your business blog. Left sidebar 100% widgetized (unlimited number of boxes), AdSense areas, dropdown menu, threaded comments, font replacement working in all browsers. Compatible with all popular browsers: IE6, IE7, IE8, Opera, Safari, FF, Chrome, Netscape 9.0... More informations and help can be found here: www.diaboliquedesign.com/diaboliquefountain/
jQ comprises a whole stack of jQuery functions as well as a practical theme options page. The design is clean and solid, valid CSS and XHTML. Features: threaded comments, drop-down navigation, different styles and more.
Dark and colorful theme. 3 skins. Compatible with touch-screen mobile phones: iPhone & iPod Touch, Android, BlackBerry, Windows Phone, Palm Pre, Symbian. Widget-ready sidebar. Optional twitter and facebook icons.