I would say that comics is happening during the night (or at least not in the middle of day) > therefore the video had to aswell. There is even shadow of something flying, just before that blood splashesh Minsc hands ... so, my gues is that Larian simply recreated this two panels acordingly.
I still dont understand why cant we change Race for our hirelings. Lets us play Githyanki as racist as they trully are!
