charity??? free detail extensive for one car and do a long writeup and post on ur local car foums.
look at todd helme article on the 458 and veyron. lots of respect to that guy.
do not use spray can clear unless it is a 2 part one.
also use wax and grease remover and tack down the surface. you could scuff up the surface with some 3k wetsandpaper for better adhesion...