I’ve uploaded two plugins that were written for this site.
The second plugin adds the OpenGraph meta tags for Facebook and the link rel/publisher tags for Google+. There is a settings dialog that allows you to set three fields that are user customized.
cd34-social: http://code.google.com/p/cd34-social/downloads/list or, through the WordPress.org plugin directory: cd34-social.
cd34-header: http://code.google.com/p/cd34-header/downloads/list or, through the WordPress.org plugin directory: cd34-header.