My apologies for not welcoming you before, but it's nice to have you on MACUL Space, Sherry! I hope that your head soon returns to your profile picture; it would be a shame to have it lost on the Internet forever :)
With your work in Library Media and Education Technology, I recommend you take a look at Wiziq's virtual classroom and authorstream's power point presentation platform. Both are web based platforms, have a bunch of features and free basic service. Here’s a public class recording you might find of interest.