Previously I explained about RSS in text (RSS readers and can start following this blog with Google Reader. I just found the video below, more generally and visually explaining about RSS and its use.
Under the label Instructions, I try to compile a set of help posts, giving some guidance to listening to podcasts and more. Here is what we have had so far.
listen on line (beginners 1)
download audio files (beginners 2)
get iTunes (beginners 3)
put feeds in iTunes (beginners 4)
For advanced users I posted my own strategy to manage podcast feeds by the dozens with the combined use of iTunes and Google Reader.
For advanced users is also the tip how to use preferences per podcast in iTunes.