ok, for anyone who has seen them, you know how amazing they are. for those of you who havent, you are sheltered, and need to watch them. here are my 4 personal favorites...
"The Mysterious Ticking Noise"-- (best one ever) [link]
"Wizard Swears" [link]
"Potions Class" [link]
AND
"Wizard Angst" [link]

also check out the potter puppet pals at the yule ball;
part 1 [link]
part 2 [link]

go check out the rest of the Potter Puppet Pals if you liked those!!