Wordpress
20 more free WordPress themes
The WordPress theme market is really getting huge, as there are literally thousands of free themes out there. The problem is, some of them suck, really bad.
Smashing Magazine has just released another list of 20 FREE First-Class WordPress themes that will get your WP blog looking sweet in no time.
The WordPress Help Sheet
If you are looking for a great guide to help you with WP themes, The WordPress Help Sheet may help you quite a bit. Give it a look!