While this may not be the traditional and 2d painting type information you are looking for. This Core Skills handbook seems like it is aimed at anyone that wants to work in the games and movie industry. I think alot of people are wanting to work in games at TAD, and theis a whole course for 3d entertainment as well besides the 2d route. This may come in handy for alot of people.
Core skills of VFX.
The section on matte painting and environments for VFX could be interesting to some of the 2d people that want to get into this field.