I'm trying to make a single photo for something. What I am trying to do is take a picture of a sun, and a picture with a group of people, and combine the two so the sun shines through the people. I guess the best way to describe what I'm talking is about is... The people are semi transparent, and so is the sun, so you can see the full picture of the sun, and the full picture of the sun. Make sense? How do I do that?