A friend of mine showed me this:

Yoostar

It is a system that lets you dub yourself into scenes from Hollywood movies and TV shows. And it does a reasonable job without a lot of hassle, as seen in this demo video:

There is a gallery on their web site that lets you see the results of the process.

Possible Christmas gift for the budding actor/actress or narcissist in your midst.

See also: How Blue Screens Work

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