As your licensed, others skins are automatically downloaded to your skins_x subfolder in <lfs>/data/
You might want to use these ones : just move them to your skin folder and they are ready for your one use, assuming the author has nothing against some one else using his skin... If in doubt, ask him as the skin may contain restricted use symbols (CRC logo for example, which you are not allowed to use unless you are member)
By the way, look around from lfs links and you may find some useful tutorial on how to paint your car (see old forum on RSC too). I know there is one on
www.lfsfrance.com ,but as you may imagine, everything is written in French over there.
Have a great time painting your car
Bruce