I found these on the Alex server realm forums on wow and thought I'd link them here in case a few of you have missed them.
Video showing flying mounts:
http://media.pc.ign.com/media/770/770472/vids_1.html
Draenei Dance video:
http://video.google.com/videoplay?docid=-4614288559410596095&q=draenei
Where they may have gotten the idea for the Draenei's dance:
http://video.google.com/videoplay?docid=-5995556455415798282&q=draenei
Here is the male blood elf one, with split screen showing you where they got the dance from:
http://video.google.com/videoplay?docid=-8014808211220282746
The flying mount one is very cute.
I just found a World of Warcraft Coke Commercial:
http://www.youtube.com/watch?v=DDfzdZqGoRU&search=world%20of%20warcraft
Oh my these are funny
Frost Shock!
http://www.youtube.com/watch?v=q5mD1n4v2JA&search=world%20of%20warcraft
Atkin Switchers
http://www.youtube.com/watch?v=LKA59e4HU4E&search=world%20of%20warcraft
Poor gnomes!
http://www.warcraftmovies.com/stream.php?id=12592
ROFL! omg those were great!
Frost Shock!!!
posting some that havn't been post here before
Super Mario WoW
https://www.youtube.com/watch?v=ELRNZCZtLvs
That's the World of Warcraft That You Play!
https://www.youtube.com/watch?v=n4TyqYsC26g
World of Warcraft- Here Without You ( best WoW clip imo! )
https://www.youtube.com/watch?v=Fb5LIo6HE6Y