Thanks to all the help from everyone at my other post I was able to finish my first go at motion detection in Quartz Composer.
The video is rather cheesy, but it was a good introduction. I used a video of me in this instead of the iSight because it was easier for me to record the result. Next time I think i'll have a go at writing a custom patch.
Thanks again for everyones help with my issues on creating this.
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