Of all the various WP plugins to provide this function, yours' is the best. Simple. Dependable. No conflicts.
My only request: Have you considered adding bit.ly support? Here's the current format:
There is nothing on the Internet that is not in your heart http://jaycollier.net/?p=11211
It would be great if
There is nothing on the Internet that is not in your heart http://bit.ly/bnrDyJ
Even if not, you get 4-stars from me for an excellent plugin.