Beginner

Talks about how to unwrap with seams.  Where to choose the seams. (like the bottom of the fence)

He talks about some tricks and tips to be aware of when fixing Uv issues and other texture issues

Intermediate

Great use of the stencil feature.  Shows where to use them on the edges and how.  Blends the edges to make a better texture.

Advanced

He has a great plugin called kit ops that is a drag and drop plugin.  He also shows how to use multiple uv maps.  Awesome. He talks about texal density.  (Sometimes you want to use less, sometimes more and he explains that.)