Shutterfly: 12 FREE Thank You Cards December 28, 2009 This post may contain a link to an affiliate. See my disclosure policy for more information. Get started on your thank you cards with 12 FREE Holiday Thank You cards from Shutterfly. Use code CARDS4YOU at checkout. New customers get 50 FREE 4×6 prints! You can decide between FREE cards or FREE shipping on cards (use code SHIPCARDS). Thanks, Southern Savers!