[racket] need JPEG files for testing "mediafile" library

> If you would like to contribute a JPEG file from your digital camera (or
> cameraphone) as test data for a Racket library, please see:
> http://www.neilvandyke.org/racket-mediafile/#%28part._.Contributing_.Test_.Files%29

I just sent you a camera phone shot of your email on my screen. I hope
that was sufficiently meta. :)

> BTW, this "mediafile" library will be part of the RackOut living room
> appliance.  This library still needs more testing and refining, and some
> additional media types will be added, but the library might already be
> useful separate from RackOut, such as in scripts to manage your photo or
> music collections.

Both this and RackOut sound very cool.