One of the easiest ways to add instructor-produced multimedia to an online class is to create a narrated presentation. Adding narration in Powerpoint is relatively easy (though not necessarily easy to do well). The tricky part is creating output that will playback online and does not require the student to download the entire file and open it in Powerpoint. I have a license for the Mac version of Adobe Captivate 5 and used that for a couple of years to convert Powerpoint presentations with audio narration into videos. That version only produced Flash video, but it is easy enough to convert that to another format for students who are not using Flash (primarily iOS users). The problem with Adobe Captivate is that it never did a very good job converting the Powerpoint files and it is one of the least Mac-like applications I've used. I never enjoyed using it and until I did a search a few weeks ago, I didn't realize that it was supposed to be able to automatically convert a PP...
Tools and tips related to online and distance learning and using technology in instruction