Hi there Fuman,
Here are the two pics I know of franz Stigler's Bf 109 G-6, taken at Graz in April 1944:
http://www.kitsworld.co.uk/index.php...141&RNZ=412669
They were published by Jochen Prien and Peter Rodeike in 1995, Messerschmitt Bf 109 F, g and K, Schiffer Verlag, p. 128.
Cheers
Marc