This is a wonderful project. I love the idea that your students use a picture of themselves. What is the name of the App you used?Greetings from a Danish art teacher. Please feel free to follow my blog "Meet the Creative Part of Me" http://tatjanaknudsen.blogspot.dk
Tatjana we use the Brushes 3 app. I just discovered Art Rage also - another good app. Love your outerspace art!