When it comes to what's deemed "sexy," to each his or her own. And never is this more evident than in the world of sexy pinup calendars. Sure, most of the more ridiculous (like "manure girls") are purposefully cheeky and often used to raise money for a cause or group. But some of the bizarre calendars out there may be taken seriously by those hanging them in their homes or (more likely) garages. As we all look for that special calendar to get our 2013 started right, take a look at the "sexiest" and strangest calendars of the year.