Replacing the Green Screen

1. Record your content in front of a green background; it should be solid and evenly lit. Make sure the green background covers all of the background in the shot:

2. Download your green-screen footage onto a computer and import it into iMovie.

3. Create a new video.

4. Choose a background (still image or video). You can use the built-in Content Library, or import your own background.

5. In the bottom left of iMovie, click on the header “Content Library”, choose a background, drag and drop that background onto the main timeline:

6. Select the green-screen footage and drag and drop it into the main timeline, on top of the background you have chosen.

7. Extend the background to match the length of the green-screen clip:

8. Click the “Video Overlay Settings” button and change “Cutaway” to “Green/Blue Screen”:

9. Use the Softness slider and the Clean-up tools to perfect the image.

Remember you can undo your changes if you don’t like an effect (Command-Z):