Video Tearing in Keynote 08

As the title says I'm getting tearing when using such slide transitions as the cube.
Anyone familiar with v-sync in games will know that this is the option that normally stops this happening.
Anyone else getting this or know of a solution?

I experienced similar glitches in Keynote 4.0.1/4.0.2 on a new MacBook Pro with the Nvidia GeForce 8600M GT.
Try making your presentation and Quicktime movie the same size.
It seems the Nvidia card does not like the Quicktime to be scaled in Keynote.
This solved it for me.
This suggestion is also posted in "Glitching Quicktime movies in Keynote. Nvidia problem" message section.

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