There are quite a few spoiler images, including nice big pictures of Beorn, the Master of Laketown, Thorin Oakenshield, Bard the Bowman, and others. If you do not want your movie experience to be ruined, I suggest not proceeding beyond the break. However, if you are interested in owning this calendar, you can obtain it here. Take note, however, that this calendar is in German.
Source: Heye Kalendar