The WordPress Theme Viewer is the official site for WordPress Themes which have been checked and inspected, and are free for downloading. The site features the ability to search by type and style, and offers a demonstration of the page view elements of the Theme.
Using Themes
WordPress supplies two themes in its distribution for your initial [...]

Welcome to Free WordPress Themes.
Download free wordpress themes for your Wordpress blog themes.
For support of themes and other Wordpress Related Support please visit at :
WP Theme Support