This is straight off P&P but the mashups are pretty sick. DataHowler also drops mixes all the time so its pretty chill to get into him.
Ice Cream Paint Job (Dorrough Music Vs. Bassnectar)
For some reason everyone mashes up Ice Cream Paint Job. The song kinda blows but the mashups makes it probably the best one with the song by Dorrough.
Datahowler - Parachute (Cheryl Cole Vs. Birdman & Lil' Wayne Vs. Hudson Mohawke)
This one really isn't that good but its worth posting I guess.