BuddyPress.org

Two news posts add:

Stopping Sploggers (thanks stwc!):

http://www.bp-tricks.com/tips_and_tricks/stopping-the-sploggers/

Improving your Activity Stream

http://www.bp-tricks.com/plugins_and_themes/improving-your-activity-stream-with-the-expand-activity-plugin/

Let us know if it helps!