We always have an interesting discussion about the ways that boys and girls are the same and different, and how there's a difference between having a friend who's a girl or boy and having a boyfriend or girlfriend. To shake off her sad mood, a young girl counts all her friends. On one photo have one child, on the next two children and so forth. Take photos of children holding a different number of objects. This is a great reinforcement of the counting concept.
Children love to see themselves in pictures.
When you take the bulletin board down, make a Big Book with the pictures and add it to your classroom library. Over Ira's best friend Reggie is moving away. A Caldecott Award Winner Lots of body language and only 34 words in this wonderful book about making a new friend. The beginning of an unexpected friendship. Are Friends 5 delightful stories about a very unique friendship.