1. Collage - A combination of an array of photographs with possible usage of effects.
2. Sepia Toning - reddish-brown color is toned into a black-white photograph to give it a warm feel.
3.Selenium Toning -This is a method of photographic print-toning, a method of changing a black and white photography using the conversion of metallic silver to silver selenide.
4. Duotone - an image made with two different colors at two different angles resulting in a halftone from an original.
