Been a while since I last saw this image on ebay.de but it is currently on offer here
Galland's 'other' Friedrich 'special' featuring a pair of MG FF in the wings (as per an Emil) is covered on this blog here
Einsatzbesprechung (pre-sortie briefing) with the Gruppenkommandeur of III./JG 26 Major Adolf Galland (links/left) some time during August 1940. Second from the right is Oblt. Gerhard Schöpfel, Staffelkapitän of 9./JG 26 at the time this image was captured, awarded the RK on 11 September 1940. Schöpfel survived the war with some 45 Luftsiege.