In light of the discussions of the current bailout plans going through Congress, I found this YouTube video enlightening. Here is the summary from digg:
If the three and a half hour documentary on fractional reserve banking left you overwhelmed, this series of animations explaining how our debt based money system works should clarify the confusing aspects
—and leave you indignant at a system that lets banks make money out of nothing to loan you at interest or foreclose on your property.
And part one of the video: