need help with env map...

i’m going to use this flying robot thing in a movie. and i want it to reflect a forest in it’s lens. i tryed to use the env map thing but it dosen’t work(For me that is) how do i get it to work???

pic 1: the forest image.
pic2: the render.

http://img151.imageshack.us/img151/1368/forest1wx.th.jpg
http://img468.imageshack.us/img468/1055/2jpeg6xa.th.jpg

Add that Image as a Texture to the World and use an EnvMap on the lens.

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