FREE 8x10 Walgreens Photo Collage - Today Only Choose in store pick up to ensure this item is completely FREE! Log in or register an account with Walgreens Photo. Then choose your photos you'd like to include in your collage (you can choose up to 20 pictures). Proceed through the checkout after choosing your photo desiigns and enter promo code: FUNDAY to receive your 8x10 photo collage FREE from Walgreens.