I hadn't originally planned to add the border of blue-striped squares, but I had the pile of them sitting there already to go and so just went with it. For the corners on the border I added the whimsical fish squares. I'm not sure if I like that either!
When cutting the shirts for the quilt, I captured as many details as I could, such as logos:
The backing is to be blue ticking and the "batting" will be an old cotton blanket, as batting would not hold up well to being repeatedly soaked, sanded and dragged.