try the free video capture program called debut (by NCH)
google for debut nch
There are plenty of tools to help you capture screen video to a AVI file (or some other format) so that you can then post the file on a web site, distribute it on CD, or whatever. But what I'm looking for is a software app that other programs will see as a web/video cam from which they can consume a video feed. But the video feed comes from my screen video. This would allow an app like Skype or any other app that consumes a video feed to see what's happening on my screen. If I'm still as clear as mud, then imagine it this way: It'd be like pointing a web cam at your computer's screen. You'd see what was going on there. However, in this case, you remove the camera and the software app emulates the camera and feeds the screen's video to whatever is consuming it. Does anyone know if such an app is available?