Walgreens: 20 FREE 4×6 Prints March 26, 2010 This post may contain a link to an affiliate. See my disclosure policy for more information. Now through April 7th, get 20 FREE 4×6 photo prints from Walgreens! As you check out, use code 20FREE4X6B and select in-store pickup to not pay any shipping. Thanks, Southern Savers!