Just sharing with colleagues that we do have capability through BlackBoard which has full capacity to create rss feeds and host videos.
Here is the podcast that Matt Stuczynski produces with his Spanish grammar class:
See Sharon Mooney's video podcast of her cat videos:
You can subscribe (via rss) to these public podcasts through iTunes, etc.
Vernon Hills High School has a library video channel hosting "movie trailers" for the Abe Lincoln nominees. Take a look.