Adsense Video 3 & 4
Here are Joel Comm’s 3rd and 4th videos on Adsense. There is simple basic information on what Adsense is and how it works.
Adsense Video 1 & 2
Here are the first few videos from Joel Comm’s series on Adsense. The first one is about how he got started and the second one is about Google and Adwords.