Chroma Key Tutorial

To edit the chroma key, you seen to select the piece of footage and then click on 'Effects'>'Video Filters'>'Key'>'Chroma Key'.

Double Click onto the viewer window, until the other viewer changes to match this screen:

Click 'Chroma Key' tab. Alter the two bars to the range of colour you want to stand out. Or, you could click on the 'select colour' tool, and click on the colour which you want to stand out. Edit the bars until the colour stands out. Press the space bar to view :)