Here's a project I was working on lately. A movie player for The F/Uzebox! It plays movies @ 30fps (160x96) with 15Khz sound. Video and sound data is streamed from a standard SD/MicroSD card. Due to the fixed 256 color palette, dithering is used to enhance the overall look. Movies are converted using as mix of Photoshop batch and custom tools. For the time being, it seems to mostly work only with Kingston SD cards. I made a video so you can check it out for yourself.
Here's the HEX file and demo movie. The player does not support fragmentation, so you *must* format the SD card before copying "matrix.dat" on it. Also, it must be the only file on the card.
Sources are in the v4 branch in Google code. It's using the same kernel folder as Uzeamp (/kernel-4-uzeamp):