My first public plugin that shows your websites google pagerank in the dashboard. Can be disabled in the screen options menu and moved around at will.
Works 2.7+, I don't know if it works on anything below that.
Just really an example of how to put something into the dashboard.
תוסף זה זמין להורדה ולשימוש דרך האתר שלך באחסון עצמי ב-WordPress.