There are a lot of other cool ways to manipulate a photo.
3 POINT LIGHTING:
Three point lighting is used when photographing inside against a backdrop. It can be used in modeling shoots and other photography events indoors to enhance the models.
Pinhole cameras aren't the only way to get creative while taking a photo!
For a photogram you place objects on top of a piece of photo paper and expose it under the enlarger light for 12 seconds.