I really, really liked this DIY project I saw on D*S. I copied the how to process for future reference

Custom House of Cards

What You’ll Need:
printer
3 sheets of photo quality ink jet paper
3 pieces of 8.5” x 11” cardstock
rubber cement
x-acto knife and straight edge
rounded-corner punch (optional)
scissors

1. Resize a selection of photos to 2.25” x 3.5” each in a photo editing program such as photoshop, and print them out onto photo quality ink jet paper. we printed 24 photos, and were able to fit 8 per page.

2. Mount the printed sheets onto cardstock with rubber cement.
3. Carefully cut out the photos using your x-acto knife and straight edge, and round the corners with your rounded-corner punch or scissors.
4. Cut six 1/2” slits into each card: 1/2” down from the top and 1/2” up from the bottom on either side, and in the center of each short side.