Pictures :

Barchetta, the classics and sportscar channel, tons of pictures of Ferraris and Maseratis
http://www.barchetta.cc/english/All.Maserati/Summary/Maseratis.Overview.htm
http://www.barchetta.cc/All.Ferraris/

Racingsportscars, website dedicated to the sportscar racing. Photo galleries from nearly all types of sportscar racing, but also detailed statistics about the race.
http://www.racingsportscars.com