Walgreens is giving everyone 25% off of their holiday greeting cards if you make them via Versaries for the iPhone. Here's the blog post that explains the coupon and how to go about making your holiday cards. 
http://versariesapp.com/blog/2012/12/save-25-on-your-walgreens-photo-cards/
http://versariesapp.com/blog/2012/12/save-25-on-your-walgreens-photo-cards/