Check it Out! Here is a great gift Freebie! When you GO HERE, you can print yourself a coupon for a free 16x20 photo poster from Walmart.com. Just place an online order for a 16 x 20 matte poster and choose "Same-Day Photo Service" and "Pay In Store" at check out. You will be required to present the coupon as "payment" at the photo counter in store. Valid thru 10/31/11.