Capturing video (or at least one frame) inside Rev

[sims]

>I'm writing a proposal for a job which will involve a program capturing an
>image at odd intervals (a long time apart, eg 5-15 minutes).  I've
>established that I can do all the other things necessary in Revolution, so
>it's a candidate; but I've not found a way to do this part of the job.

<snip>

>
>This has to work in the background, without doing anything on the screen.

Do you mean that it has to happen while the movie is running?

Have you looked at HackTV from the Apple web site?

sims