Do you want to understand Keynesian Theories and about the FED? Watch these educational videos right now on your computer:
Resource: Economics U$A
Resource: The Economics Classroom: A Workshop for Grade 9-12 Teachers
Click on VOD buttons (Video on Demand) for the show you want to watch.
It's all free, just click and watch.
This site really helped me through Macroeconomics and it will soon help me with Money and Banking too.