Here's a quick demonstration of the steps that went into making this, which was essentially just placing puppets on a blue-screen, lighting them to match a background, and then removing the blue-screen.
Zero Almond Croissants
A surreal post-apocalyptic dystopia where people barter to try and own as few almond croissants as possible. Why? They're free and impossible to resist, the vast majority of mankind have succombed to cyanide poisoning. Created in 48 hours using paper puppets, a blue screen and a hand fan.