There are three basic techniques that people use to doctor photos. 1. Photoshop 2. Forced Perspective 3. Set Piece I will explain what they are then show you some hilarious examples of all of the above.

This is where a person uses a computer program to alter a picture in some way.

a technique which employs optical illusion to make an object appear farther away, closer, larger or smaller than it actually is. It manipulates human visual perception through the use of scaled objects and the correlation between them and the vantage point of the spectator or camera.

Where people use props to make you think something is happening or looks different then it really is.

Photoshop: Imagine slipping this into your buddies trail cam

Set Piece: If only they could make it drive.