Please, just one per person. You can do more, but if you post so many, it gets tiresome. Just put a what it is over the particular link though, and also remember that it had better be funny to not just you. And post away!
How to kill the mailman in Twilight Princess:
http://www.youtube.com/v/3S91hD9sehg (http://www.youtube.com/v/3S91hD9sehg)