[racket] rotate an image using 2htdp/image

OK. Here is what I am trying to do.

The game screenshot:

http://img829.imageshack.us/img829/4864/65490383.jpg

I am trying to rotate the guy's arm by the dynamic degree denoted on the
bottom-left corner of the screen. I just have to center the rotated image.
How would I go about doing that?


Comments are most welcome for the game.

THIS PROGRAM IS ONLY FOR EDUCATIONAL PURPOSES.
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