Provided with some references, I really enjoy the painting style and brush effects that Dice Tsutsumi has going on for his color mood boards in Toy story 3. In most of his works, the simplified features and the block like brushes has an oil painting aesthetic in them. Totally describes his idea of using simple strokes (http://www.simplestroke.com/)
Using some of his examples, I had to practice my way of using color in Photoshop. I like traditional oil painting, and to transfer that sort of feeling digitally came as a challenge. However by observing and testing the brush features (shape dynamics, scatter, other dynamics), I was sort of glad to find some close results to what I wanted the oil painting effect to look like.
My take on the practicing via observing: