I will take a shot, but you will notice a pattern.
1- Guynemer's Spad 7 , Les Cigognes, #S 115 of N3, ca.Sept. 1916
2- Paul Baumer's Fokker triplane of Jasta Boelcke, #204/17, ca.May 1918
3- Lanoe Hawker's DH-2, 24 Squadron, #5964, 1916
4- McCudden's SE-5a, 56 Squadron, #B4891, early 1918
5- Mannock's SE-5a, 74 Squadron, #D278, ca.Apr. 1918
6- Rickenbacker's Nieuport 28, 94th Aero Squadron, #N6169, early 1918
7- Frank Luke's Spad 13, 27th Aero Squadron, #S15202, Sept. 1918
8- Udet's Fokker D-7f, Jasta 4, #unknown, Sept. 1918 - "Du doch nicht!"
9- Any Lafayette Escadrille Nieuport 11 , N-124, circa 1916, in camo
10- Michael Wittmann's Tiger 1 tank at Villers-Bocage, 1944
Pretty specific stuff, but all wonderful! -- Al