
This close up is to demonstrate the method I'm using for drawing these black areas on the Aspen trunks. Because of the angle of the trees in the photograph, the tops of the dark areas on the trunks of the aspen trees have a clean sharp edge and the lower part fades slightly into the tree. So, I've drawn a horizontal line only on the top edge of each of the black bumps, then used vertical lines to color in the remainder of each area.
