Everyone needs a calendar, right? These three riffs on the photo calendar theme add whimsy to any dorm room - without violating those pesky rules about nails in the walls. One's a CD-sized stand-alone (pictured), perfect for tucking in a college care package with some homemade cookies. Another uses Post-It style technology to attach to the wall. And the third turns your kid into Superman. Check out the dorm photo calendar how-tos here.