well, I got this goofy little action cam for when I'm Mt biking, I use Imovie for editing, it's pretty powerful, easy and well... free  :)

anyway, getting bored of the effects and such, so finding out it does GREEN SCREEN I decided to test out using Cararra for making some text effects and such... Set the background to pure green, animated some quick text... threw it all on a few sec's of bike video... seems to work.!!

 

http://contour.com/stories/testing-green-screen

 

now.. I can get really fancy  :P

 

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Hexagon, Carrara, Sculptris, and recently Sketchup.