The Wormhole wrote:
They got Matt Smith on the front of the box. What are they trying to tell us?
It's one of the series 6 promo images with added regeneration energy. I don't think they're trying to tell us anything.
Though there are rumors on Gallifrey Base that the 12th Doctor is either in the process of being cast or has already been cast. It's Gallifrey Base, though. So who really knows?