So things drawn with Pencil tend to have a harder edge to them. In essence, when painting with the Pencil, everything is either painted the full color or not painted at all.
Pencil works on all image types and drawables.
Fundamentals To use Pencil, select it from the tool box. Then click and drag on the image drawable to add paint to it. Holding shift and pressing the first mouse button once results in a line being drawn between the two points Uses Detail work is a fairly typical use of the Pencil tool. When combined with a small brush and a zoomed view, Pencil allows for pixel level touch ups. This is particularily true when dealing with line-art or indexed images.