That is pretty cool. I will be going back on that site to watch more of it, I'm sure. I noticed they have a section for TV mistakes too, but I didn't see anything for commercial mistakes.
A couple years ago I noticed a mistake in a TV commercial. I can't remember what it was for, but they were showing a bunch of people in a summer setting and this girl leaned up against the front end of a small car and acted like the car was hot because of the motor compartment. But the stupid thing was that it was a Karmann Ghia!! lol.