Free Wordpress Themes
Free Wordpress theme resources:
http://wordpressthemesbase.com/
http://www.blogohblog.com/
http://www.smashingmagazine.com/2009/05/18/100-amazing-free-wordpress-themes-for-2009/
http://wpcrowd.com/free-wordpress-themes/100-the-very-best-of-free-wordpress-themes/
http://webrevolutionary.com/