Tempskin WordPress Theme. Are you about to launch a new site and want a coming soon page? How about a Free WordPress theme with a premium feel? It is customized for coming soon pages with a form for subscription and icons for following you on Twitter.
Adsense is integrated (3 units per page, and one linkunit ~ the maximum Google allows), and the theme also includes Adsense for search in place of the standard WordPress search function. Of course, it is easy to switch out Adsense for any other advertising program you may wish to use, the banners are standard sizes.
Jynxed is another simple and clean WordPress theme with a lot of features like: cross-browser transparency, beautiful ajax tab area in sidebar and an unique web 2.0 design.