I've built 2 digital picture frames out of laptops that were going to the dump.. took the screen out and mounted into a shadow box style picture frame.. took the guts out of the laptop and mounted to the back of the screen, loaded debian etch, xorg, feh (picture viewer), and unclutter (to make the mouse pointed disappear)... wrote a few scripts to start it all at boot and I was done.. only cost me 25.00 for the shadow box... could easily mount a small speaker or two and install a program to play audio files.