sherman-snow

This plugin adds a set of cool icons and widgets at the end of your post for your readers to share. Widgets are Twitter, Facebook and Google +1. It supports large icons and small icons.
Info : http://wordpress-plugins.us/special-social-sharing-icons-4/
<h3>Changlog</h3>
1.1 Fix bug and added information about plugins
1.2 Tested 3.4.1 
1.2 fix activate error 
1.3 Tested 3.4.2

Special Social  Sharing icons

Adds a set of cool icons and widgets at the end of your post for your readers to share. Adds more new icon....

Godlessons

Allows you to add full or partial posts to Google Buzz automatically. Allows one profile for the main feed and each author can add their own profile to their profile page.

WP AutoBuzz

Allows you to automatically add full posts to Google Buzz

Special Social Sharing icons vs WP AutoBuzz