People were complaining about Francis I on the G&K box and hoping it was just a placeholder. Take that for what it's worth.
Personally, it fits the theme. I'd have preferred something more dramatic, certainly. I could see art from the Moscow Subway, for example. Personally, I think they should have more than one background that rotates each time you load the game.
Offtopic:People were complaining about Francis I on the G&K box [...]