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Here’s your chance to do something with me! I recorded this while sitting in front of a green screen. “Chroma Keying” is a technique for mixing two images or frames together, in which a color from one image is removed, revealing another image behind it. It is commonly used for weather forecasts on the news. The weatherperson looks like they are standing in front of a large map. In the studio, it’s actually just a large blue or green background. The different weather maps are added to the screen using software.

You might already have the software installed (and yes, the new version of iMovie does an amazing job with chroma key / green screen shots).

So, here’s your chance! Decide what it is I was trying to say! Have fun, be creative, and make sure you show us what you come up with. Leave a comment here with the link to your creation, or upload it to your Geeks account.

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<object width="425" height="350"><param name="movie" value="http://www.youtube.com/v/bX6_SMU0E5c"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/bX6_SMU0E5c" type="application/x-shockwave-flash" wmode="transparent" width="425" height="350"></embed></object><br /><a href="http://chris.pirillo.com/">Chris</a> | <a href="http://live.pirillo.com/">Live Tech Support</a> | <a href="http://media.pirillo.com/">Video Help</a> | <a href="http://feeds.pirillo.com/ChrisPirilloShow">Add to iTunes</a>

Community Challenge: Green Screen Me!