SoundFumble is a gimp plugin that renders images to sound. It does it by writing the image directly to an alsa device.
Live demo at the libre graphics meetings 2012: http://www.youtube.com/watch?v=teNkaSs_OmY
- libgimp2.0-dev
- libasound2-dev
git clone https://github.com/kallaballa/SoundFumble.git
cd SoundFumble
make
make install