After sleeping on it, I decided to experiment with using the file as a stitching template and it is so very easy. Let me show you how.
1. Open Photoshop. I'm using Photoshop Elements 9. You can download a free 30-day trial of version 13 here.this particular background file, there are four sizes included - 12x12, 8.5x11, 6x8 and 4x6.
Here is my completed project. You can see a full supply list here.