Create a free chroma key effect using HTML5 and canvas.
LINKS:
Live example – http://www.tinkernut.com/demos/273_chroma/video_chroma.html
Project Files – www.tinkernut.com/demos/273_chroma/html5_chroma.zip
HTML5 video tutorial –
This video will show you how to add realistic explosions to your videos using freeware. It also covers the basics of chroma keying and video overlays.