here are my backup lights in white led's of course. i still haven't ordered the red led's for the turn/stop lights, but you get the idea. there is also a way to etch your own PCB if you want. there are a few ways to do it, here is a good website though.
http://max8888.orcon.net.nz/pcbs.htm
also, makezine (awesome magazine btw) has quite a few tuts on their page. do a search, here are 2 of them
http://www.makezine.com/blog/archive/2005/12/how_to_create_your_own_pcbs.html
http://www.makezine.com/blog/archive/2005/10/pcb_creation_printed_circuit_b.html?CMP=OTC-0D6B48984890