blue/green screen effect plug-in for iMovie HD

[lmoorecsu]

I need to find a source for producing the blue/green effect with iMovie HD. (Chroma Key) I have heard there are good plug-ins that one can down-load for this effect. Can anyone recommend something. Thanks.

 

[Aperture]

I need to find a source for producing the blue/green effect with iMovie HD. (Chroma Key) I have heard there are good plug-ins that one can down-load for this effect. Can anyone recommend something. Thanks.

This tutorial seems to talk about a piece of software that will work.

(I linked the tutorial because I thought it might be helpful)