Youtube SEO. Learn more at http://getmyownwebpage.com/slideshowoptin/thank-you (get free video training and ebooks) Learn how to do SEO for your Youtube Videos and rank your youtube videos number one. If you do youtube SEO right, you should also rank on the first page of google as well as the first page of youtube. Once you rank #1 you can start making money with your videos with google adsense or selling an affiliate product.
One of the best places to get backlinks to your Youtube Videos is through: http://go.seomoz.org/SHLy (Open Site Explorer). You can see what backlinks your competition has, and then go get those links. For Youtube, however, it's still easier to get lower quality links through fast methods (like one hour backlinks or scrapebox etc). But getting good, high PR backlinks through white hat tactics is a good habit to get into. With Google's increasingly hard core algorithm changes, real high PR quality backlinks are vital. Go check out http://go.seomoz.org/SHLy (Open Site Explorer) and join SEOmoz. For more info and a free trial, visit http://seomozpro.info.