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

abmirayo

Simply displays to the visitor the last Google Buzz status updates of a Google user.
Usage: Insert anywhere in your theme the function <code><?php simple_buzz('ID_of_user', number_of_posts_to_show) ?></code> (Number of posts is optional [default=1]). If number of posts is larger than 1, they will be displayed in an unordered list.

Simple Buzz

Simply displays to the visitor the last Google Buzz status updates of a Google user.

WP AutoBuzz vs Simple Buzz