It's not actually an AMV because there's no music in it whatsoever, but it's a hilarious download of Hughes giving Mustang the Friendship Test. It just SO fits these two characters SO well. Enjoy!
Mustang & Hughes: The Friendship Test
EDIT: Link fixed now! REALLY! It's fixed!!! Try it! :) :) :) And if you have an a-m-v.org account, here's the page for it.