1. GREEN Screen
iMovie 9
iMovie 11

2. The video “holy land”: Chroma Key or Green Screen

3. What you need (minimum):
Green fabric - Amazon $30.50
Extra Light! Home Depot $60
Kodak Zi8 - $120
Sony VC-R640
$30

4. Make sure your
Advanced Tools
Preferences are ON
iMovie 11 adds BLUE screen. Why? It’s just another option

5. The Process:
1. Get your background (still or video or B roll)
2. Shoot the green screen footage with reference
to the background (i.e. right, left or center)
3. Upload as normal
4. The tricky part: Put the BACKGROUND IN FIRST!
It WILL fail if you do it the other way.
5. Clean it up, watch for artifacts and adjust
exposure/contrast

6. Doing it backwards: If you put green first

7. When it’s WRONG

8. Insert the background
FIRST Insert the overlay clip!

9. When it’s RIGHT!

10. To clear up your green screen
Adjust these
Adjust these

11. Last Tips
USE A TRIPOD
The background won’t move....so the camera shouldn’t
Don’t move the camera
It ruins the fantasy
If your camera has autofocus, turn it off
The camera will “hunt” to focus
In general, closer is better

12. Go green screen!