Is ez to DIY...
http://volvospeed.com/Mods/tinting_v...ade_imron.html
VHT Nite Shade
Is ez to do, if your afraid you will mess it up, run by lowes/home depot buy some plexiglass and practice spraying it and then clean it off. As for application of the tint, you tape off and protect the paint/car or remove them like the link shows.