How do you use a ps3 controller to play a pc game?

[JediMaster]

I know that ps3 controllers come with usb charging cords. Can they be used to connect the PS3 controller to the computer so that I can play games using it?

 

[sylar]

follow this link and see the video ... I think its the answer

http://www.metacafe.com/watch/1064348/how_to_use_ps3_sixaxis_on_pc/