This lesson shows you how to select & mask complex trees, which include very thin branches. This mainly relates to replacing skies, which is covered in this lesson.If you'd like to submit a challenging sky masking image for use in the future lesson, visit https://mastersacademy.com/upload/Note: The downloadable PDF companion guide for this lesson will be delayed. I had to re-record the lesson due to audio issues with my original recording. That made it so the lesson didn't make it to Karen on time to get the handbook finished on schedule.