Okay, so I know that this isn't fixed-centric but I had to show you guys 'cause this is the forum i read the most and, well, obviously my fav. mods- please don't move this!
Check it out:
1. Charge your iPod using your bike!
http://geektechnique.org/projectlab/511
2. handmade good and evil bike robots...
http://www.core77.com/corehome/2005/09/shovel-head.html
interesting reads- enjoy...