releasethehounds - http://releasethehounds.wikispaces.com/ is a wiki aimed at teachers and showing what can be done, by teachers and by students.
Among the tools it showcases are VoiceThreads, - www.voicethread.com - YouTube, - http://www.youtube.com/watch?v=ZZfqOTWQCuA - and SlideShare, - http://www.slideshare.net/charbeck1/scribepost-119097 - all free and fairly straightforward to learn how to use. All both audio and visual.
Courtesy of the prolific and generous Stephen Downes's OLDaily
