Werewolf women of the SS (by Rob Zombie)
Thanksgiving (by Eli Roth)
This can be downloaded here, in great quality (about 63Mb).
Machete (by Robert Rodriguez)
Like the trailer?! The feature is on it's way! Great news!
Don't (by Edgar Wright)
Hobo with a shotgun (by Jason Eisener, Rob Cotterill, and John Davies)
This was the winner of the trailercompetition that RR had before Grindhouse was released.
If you want more info on the faux trailers, check out this page.