Here's a cheap way you can your own postcards that are meaningful to you, if you don't want to outsource it. The fact is, in some ways outsourcing it to a digital printer is faster and not too pricey, but if you already have a bunch of 4 x 6 photos and don't want to pay more than a few dollars on supplies, this is a good method.
Total Time: 1 hour
Supplies:
Steps: