Free 4×6 Prints at Walgreens-Get five free 4×6 prints from Walgreens when you order with the app and use the promo code: APPFREE. Pick up in store to save on shipping! Available for a limited time only. Free Sample of Midol Complete–Fill in this form and verify via mobile phone to request your free Midol Complete sample. Available for a limited time, while supplies last.