Simply Postcards ---> is a free app that lets you turn any photo into a real, stick it on the fridge postcard! You design it, they print it and mail it the next day. Postcards as low as $1.00 and your first postcard is free. This will work from your iPhone.
Try using code: shiverlyfree5 to get 5 FREE! This is a great way to try out their service!