You can use this ol' 2 inch brush to just paint in some happy trees wherever you like. It's a painterly dabs brush that creates leaves in a impressionist oil painting style.
Import it into your Nozzle Library and enjoy. It will be included in the next version of my Painter 2015 Workspace.
Want more brushes? Pledge $25/mo and I'll make one new brush for every $25 donor.