What are your most useful synchronous online facilitation practices?

Beth's Blog: How Nonprofits Can Use Social Media

I posted a question on the educator listserv and there doesn't seem to be one. Fernanda showed me how she prepared a whiteboard screen with clipart of a circle of chairs. Photo by/NC from Matthew Saunders' Flickr Stream. TechSoup holds regular meetings for nonprofits in Second Life and I have been attending regularly and sometimes facilitate like this I did this past week.