couldn't get much easier than that.
open your image in Microsoft Paint, go to "Image" on the tool bar, then "Stretch/Skew", and then type in like 50% width 50% height and it will shrink it by half.
Get blazed and ski... It's more fun!
"Some kid in China or something cut off his hands because he played a video game too much then he learned that the expansion was coming out and is getting fake hands." -TwinTipJibber.