go here acidmods.com, and they are just any old led it seems.
http://www.acidmods.com/news/Acidnews.php?
its under tutorials.
People posted pics of them doing it, no real walk though, but they say its pretty strait forward all you need is a soldering iron, and the leds and some resistors sold at alot of places theya are cheap like $0.20-2.00 cents each.
http://www.acidmods.com/Wiki/tiki-listpage...de=pageName_asc
place to buy cheap leds.
http://www.superbrightleds.com/led_info.htm
dont forget to get resistors, resistors regulate the power flow to the led lights, too much juice and you will fry the leds.