Wonderful trick to get around big budget items

Scale models and a green screen! Brilliant!!

http://www.indietalk.com/showthread.php?t=18820

The police cars are tiny fakes, and then the background and actress were composited together later :)

It looks like the hand is the thing that was added, right? wrong. the car and the hand are in front of a composited background. Technology will always amaze me.