Here is a video tutorial I made that explains how to use an original xbox controller on your PC for any game that supports a gamepad/joystick!
Sure you could just buy a wired xbox 360 controller, but thats not as cool!! : p
REMEMBER: You dont need the yellow wire!!! just cut it out!
----------DRIVERS-----------
XBCD 1.07 (98/ME/2000/XP)
For Vista, Download the XBCD 1.07 drivers and install them, then, upgrade them with this:
http://redcl0ud.1.forumer.com/index.php?showtopic=1535