There are plenty of programs to do it, even Microsoft Word/Publisher. I agree with Chic Girl, just print them out at the Pharmacy or something. They print good pictures and are relatively cheap, especially if you would only be printing 12 or 13 pics. I think I printed 120 photos at Costco for...
Nice pics! I wish I could make my own, but I only have 5 chickens. Someday when I have more though, I will do this. Have you ever considered making a calendar of your birds? You could do holiday themes with your birds, or just anything! You take such good pics, that it would be cool.