English film director Alfred Hitchcock made cameo appearances in 39 of his 52 surviving major films. He might be seen boarding a bus, crossing in front of a building, appearing in a newspaper photograph, etc.
You get the picture.
YOU can make a collage about ANYTHING. But it must include an image of YOU!
JUST ADDED: The image of you can be from any period of your life...infancy, childhood, teenager, young adult, middle years, now.
Have F U N with this O N E!