This is a real-time screencast, feel free to fast forward as much as you like!
Download brushes for Pixelmator Pro. I use Wacom tablet to control stroke width with pressure.
Example of this technique: Woodworking wallpaper.
Draw wooden objects with watercolor brushes
Linework, shades, textures, decorative noise - all with only 2 watercolor brushes!
30 min Source: Pixelmator Ninja