If you have not found a commercial to copy, you may choose one of these.
Mac v. PC Virus commercial
All State Connected
Mac vs PC Self Pity
DQ Blizzard
No Jelly
Angry Neeson52
Skittles Pox
AT&T More is Better
Doritos Time Machine
Progressive Locker Room
Avocados from Mexico - First Draft Ever (Difficult)
Discover - We treat you like you treat you