Tip of the hat to Bill over at Pulp 2.0 for discovering this nifty link.
As previously mentioned, Pond 5, seems to be the place to go these days for reasonably priced stock footage. Yet to make the site even more sweeter, Pond 5 is now giving away one free stock clip each week for anyone who signs up. It's all free with no strings so click here and go make that flick.
Some clips that you can be using for your next project: