A photo collage letter is a fun way to display your photos. They also make great gifts for parents, grandparents, graduation, anniversaries and other special occasions. Custom photo collages are a unique piece of decor that anyone can easily create. I made this photo collage letter as a Father's Day gift for my husband. I used my home printer to print out photos of our kids and him with our kids. It is a good idea to start out with a large ...