There's a color picture of a P-51D from the 301st FS 332nd FG
on page 41 in World War 2 Fighters by Ethell and Sand from Motorbooks
Classics. Osprey Aces Vol 7 : Mustang Aces of the 9th & 15th Air Forces
has some color profiles and B&W photo's. Search the forum . There
are several threads on this topic with lots of good information on decals,
books etc. .
Fuzzy