Digital Painting
The digital paintings below are not student works but examples of what can be done with this medium.
This is a great time lapse video by digital artist Aaron Blaise, demonstrating the digital painting process from start to finish. Note the use of different brushes, brush strokes and variety of "mark making".
Start with a separate sketch layer, below are some starting sketch examples by two students Olivia Morris and Leslie Rios.
Original Character Concept Art Rubric
General Digital Painting Rubric (drag the link to this doc to your desktop for easy reference)