Few basic videos:

1.) http://www.youtube.com/watch?v=gh_9vPRGryA
2.) http://www.youtube.com/watch?v=vMwmLHZeBI4
3.) http://www.youtube.com/watch?v=moCVTdjcj8g
4.) http://www.youtube.com/watch?v=X860cu3tD4o
5.) http://www.youtube.com/watch?v=m2dFzTQcGj8