You can get a Free 8 x 10 Photo Collage on 9/23/11 only when you use code COLLAGE at checkout on Walgreens.com. Choose in-store pick-up, if available, to save on shipping.
Thanks, Money Saving Mom and Super Coupon Lady!
If you are planning on making a photo purchase, make sure you go through ShopAtHome.com to get up to 8% Cashback.