The Khan Academy is an award winning free site with videos on an enormous number of topics. Click here for general Khan Academy information. The videos for Economics use low tech but clever illustrations to explain principles of economics. Give them a try! they are VERY popular with students.
Create an account or login using your ACC gmail address. Or jump in with the pull-down menu at Subjects at the VERY top of the first screen, then choose "Economics and Finance".
Videos from the International Monetary Fund
Christine Lagarde, Managing Director of the IMF speech: "Central U.S. Role in Global Economy"