You know that compositing is a very useful procedure that consist of combining visual elements from separate sources into a single image it is a process used for many purposes but it is especially useful for creating a fantasy background for your model/character/subject. Compositing is a tool anyone who wants to spice up their images need in their toolbox.
In this advanced photoshop video tutorial, I used compositing to create a burning city with crumbling buildings. And that served as a backdrop for my postapocalyptic scene. And then I used photomanipulation to transform regular people into the flesheating zombies you see in the foreground! Check it Out >>