Here you go:
Drama King
Star Wars Kid
Numa Numa
Back Dorm Boys
Napster Bad
Winnebago Guy Mad
Bert is Evil^
Goatse (WIKI, not direct link)
Jib Jab
G.I. Joe
You're The Man Now Dog
Spongemonkies Like the Moon
Superbowl is Gay
Ask a Ninja
Average Homeboy
LonelyGirl^
House of Cosby
Chad Vader
Ze Frank^
Lazy Sunday
Kid from Brooklyn
Bubb Rubb
George Lucas in Love
Kramer
Myspace the Movie
Chuck Norris List^
Geriatric
Kiss You Guy^
Kubrick Audition
Leroy Jenkins
Homestar Runner
Grape Stomp Lady
Paris Hilton (Wiki)
All Your Base
Diet Coke and Mentos
OK Go
Shining Trailer Remix
Sneezing Baby Panda
Dick in a Box
Rocketboom Amanda
Yacht Rock
Sn
akes on a Plane / 2
Angry German Kid
Otters Holding Hands
Daxflame
Bride Cutting Hair
Colbert Disses President
Little Superstar Moves
Lightning Bolt LARPers
Kelly Likes Shoes
Tom Cruise Shocks Oprah
Weird Al - White and Nerdy
K-Fed Popozao
George Washington
Ashlee Simpson
Boom Goes the Dynamite
Lily Tomlin in a Fight
Peanut Butter Jelly Time
Christmas Lights
Shatner Sings Rocketman
Evolution of Dance
Chocolate Rain
Zombie Kid Likes Turtles

Appendix (not referenced in video):
Will it Blend^
Badger Badger Badger
Kenya
Gonads and Strife
Hamster Dance
And anything from Albino Blacksheep's popular flash videos.

Jib Jab is a great site, lets hope they come out with classic's like this one again!