Scott Robertson talks about atmospheric perspective and how it affects the value structure in any image.

Check out the art documentaries channel on Youtube.

https://www.youtube.com/user/taran333tula/videos

Here's a Youtube page that features videos of model in poses that should be useful for practising figure drawing. There are non-moving views as well as rotating views, in short and varying duration of time.

There's nudity so you have to sign in to your account first.

https://www.youtube.com/user/onairvideo/videos

Bonnie Arnold (How To Train Your Dragon 2), Jorge Gutierrez (The Book of Life), Travis Knight (The Boxtrolls), Tomm Moore (Song of the Sea), Dan Lin (The Lego Movie) and Don Hall (Big Hero 6) discuss the stories behind getting their films made and the competitive state of feature animation.