This is a PHP library that will generate HTML to display Pavatar avatars in web sites and web applications. Plugins for b2evolution and WordPress that will automatically include the avatars in posts and comments are included.
Just installed the wordpress plugin on my site. Installs and activates fine, but doesn't seem to be pulling in pavatars. I did verify that my pavatar is working properly on http://pavatar.com/check I see this was updated as recently as Oct 2011, so maybe a WP update broke it?