Writing/Images - This creates postcards with an image, writing and address. You can send the postcard by email, snail mail or save it to the camera roll. FREE
The first example below is from my son, a second grader, who was asked to write a letter to his dog to ask what he did all day when the humans were gone.
This second example is from 7th graders at the Black Water Middle School in Hory County Schools in South Carolina. They wrote postcards about the battles of World WarII.