Q. Do you support desktop sharing?A. Not exactly, but ....
If you have ever wanted to do a PowerPoint presentation, or show how a piece of software you are selling works over the web realtime, this solution may be what you were looking for.
You can broadcast what you see on your desktop using the iGroops Broadcaster or Video Chat applications by using a web cam emulator. There are several of these emulators available, they install on your PC and emulate a web cam, so when you start your broadcasting session you select the software emulator as your webcam.
This utility emulates a webcam so you can broadcast your desktop via video chat or broadcaster.
http://www.pcwinsoft.com/screencamera/
Here is another software (freeware) that does the same thing http://www.splitmedialabs.com/vh-video-sdk/vh-screen-capture
ManyCam can be used to transmit video, images and desktop: http://www.manycam.com
For you MAC users out there, I am told this works
http://b-l-a-c-k-o-p.com/CamCamX.html