You can get a free 16×20 poster from Walmart photo center with in-store pickup and printable coupon. Click here to visit Walmart’s photo center and make a 16×20 photo poster, you can choose to use one photo or do a collage poster. (You must log in or create an account to order the poster.) Select your photos, follow the directions on their screen, and select In-Store Pickup. You can choose to pay the tax in store when you get to the payment options. Make sure to print out the coupon here to take with you. Coupon expires 10/31/11
You must bring the coupon with you to make it free, there is not a coupon code to use online.