This is a great primer on how to draw correctly, and how to get there using Photoshop. Most kids jump right into drawing which is great, but unless they know what they are doing the results can come off as amateurish in some key spots. Any great structure require a solid foundation.
If you don’t like the tute (for whatever insane reason you may come up with), just have it on in the background – the music is great to relax to…