My husband got me a subscription to the Studio Calico monthly scrapbooking kits, and I've been having so much fun making fancy baby books with new, coordinated supplies every month. I thought it'd be fun, instead of sticking the pages I make straight into the books, to display them a while on the wall.
The 12x12 frames I picked up at Joann are perfect - they're unobtrusive, easy to get pages in and out every month, and have enough "give" to allow the 3D embellishments I like to use. Right now, I've put up a few of my favorites from the last couple of months, and I plan to rotate them out every month so they coordinate a little bit, since each Studio Calico kit has a ton of coordinating elements.