[racket] Load Showimage

I am trying to load the sdl-image show image library to racket.
http://www.libsdl.org/projects/SDL_image/

I downloaded the w32 dsl zip file and extracted it to its own sdl_image
follder in the racket collects subfolder, but when i run the instruction

showimage *imagefile

*I get this error.

showimage: name is not defined, not a parameter, and not a primitive name

So clearly it is not installed properly what folder should I extract to?*

*Thanks

Sayth*
*
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