Just some images from the net, you might have them already, but just posting them in case you didn't
The graves of three German crewmen next to their destroyed PzKpfw III, said to belong to the 9th Panzer Division, Army Group South, Eastern Front. August 2 or 7, 1941. From left to right it reads:
Gfr. Gunther Rux(?), Uffz. Heinrich Schnell, Pzsch. Johannes Walther
Gfr. Gunther Rux(?), Uffz. Heinrich Schnell, Pzsch. Johannes Walther
Note the dead crew's graves are lined with tracks on the far left.
Grave of three panzer crew, Russia. Note: the wheel on the grave
By French air attack destroyed German Panzer 38(t), in the background the grave of one of it's crew members.
Poland
Aquino, Italy
Temporary British grave by Sherman tank near Termoli. October 1943
I hope i helped, if you would want more, just let me know