User blog comment:G0LD3NF1RE/Skyrim DLC picture?/@comment-212.130.145.54-20120416203317/@comment-3416913-20120416203723

Yeah, I think it's a screenshot for a cinematic intro or trailer to the Dawnguard DLC (which most likely involves the Thalmor). I believe the man is Ulfric Stormcloak.