With ZS4 you can loop a section of a video or audio file with crossfade.  In this example we will use a video track with rhythm, but you could also loop a non-musical video file.
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This is not a beginner tutorial. In the course of this tutorial we will employ a destination blend effect container with a desaturate inside, a chroma key effect and a negative alpha effect, plus make use of the source opaquity media track variable in order to achieve a saturated strawberry in a grey scale photo. ...read more

This tutorial is to demonstrate a use for a submixer.  It has a background image and a submixer containing a frame image and two other videos (in this case images) which falls off the wall.  The submixer keeps all its children together so you can rotate or move them all at the same time.  You can also move the children seperately in the submixer of course, which we do in this tutorial as well.
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