Here is a basic iMovie tutorial created by Tech Talk America. (53m 38s)
In this episode of Adobe Creative Cloud TV, Terry White shows you how to get started with Adobe InDesign CC and the 10 things beginners want to know how to do. (43m 43s)
FINAL CUT PRO X
Instructions from Final Cut Pro online help on how to edit video taken against a green or blue screen.
Final Cut Pro X Supported Media Formats
Instructions from iMovie online help on how to edit video taken against a green or blue screen.