Here is an article from GameSpy: http://uk.pc.gamespy.com/pc/xcom-ene...1226279p1.html

Here is the original forum thread on 2k forums about the mod and how to use it:

And if you want to see what you can do with the demo here are two videos of moded gameplay from the second mission in the demo:

http://www.youtube.com/watch?v=PWFxpKQH-sY

http://www.youtube.com/watch?v=OPWSTI9ComM