For a limited time only, go to Walgreens Photo and get a personalized 11″×14″ Poster for $1.99 (Retail $10.99) when you use the code POSTER11 at checkout. Plus, choose free in-store pickup to avoid shipping costs!
Note that this code does not work on the mobile app or in-store.
*I am not sure when this coupon code expires, but it did just work for me, so I would complete your project as soon as you can.