Heya ... I'm the guy that Uranium-235 is talking about. Here's a page I made with some pics of my MP3 project:
http://www.metacraft.com/conductor/
There are lots of similar project pages floating around on the net. There's even an mp3-car webring. Not sure of the URL, but I'm sure a search on google would turn it up.
Feel free to email me with any questions about the project. I won't be checking back on these boards very often, so email is the best way to get a hold of me. Use
conductor@REMOVETHIS.metacraft.com to contact me. Obviously, remove the REMOVETHIS. part of that address. I don't want spam spiders getting my email from these boards.
-Bytor