Motion Tracking

Beginner

He motion tracks the head onto the table, I think he should of used a smaller paper, and a model that would hide the paper.  If he used small tape with dots, they might of been easier to hide also. A little planning means less work later.

Intermediate

Goes through how to motion track, and add an object that matches the background.

Advanced

 Ian Hubert is a master at this type of technique.