BrianCee wrote:so - is the video in the overlay track a single image with a plain colour background - and you want just the image to show not the background ?
After you put both videos in the timeline you should click on the one in the overlay track - then if it is not already, open the 'Options' panel by clicking on the blue tab just above the right end of the timeline. Click on "Mask and Chroma Key". Then 'click to tick' the box against "Apply Overlay Options" - usually by default VS selects the background colour - but if it does not then use the 'eye dropper' and coloured square next to it to select the correct colour - you may also need to tweak the 'similarity' value if the background is not a uniform colour.
If you do not now have the final effect you want please post a screen shot of the VS window so we can check what you are doing.
What mouse clicks do I use to post a a screen shot?
The overlay track is actually over an a graphics avi file that moves. What you suggest is exactly what I have done. The chromakey function picks out a color easy enough. But, there is still only a frame over the background track where the overlay should be.
I would like to post a screen shot but I don't know how to do it.