50s Roadster:
http://www.indy500.com/cardesign/templates.php

Nascar:
http://www.brickyard400.com/cardesign/index.php?msg=uploaded

heres mine :
CTS-V Stock Car:(see attchment)
And my Roadster
http://www.indy500.com/cardesign/cars/1149292238-watsoncaddy.jpg