http://www.tubenaire.com | In this brief video you will see how to sign up for a YouTube account, then get a Developer Key by registering a YouTube Application.
You may also be interested in Traffic Jeet, its a software too, but I would recommend it for the Traffic Jeet training | http://www.youtube.com/watch?v=sG7JvpPGgHA and http://www.youtube.com/watch?v=lpPs0_yhO3g
