https://mattepaint.com/academy/series/digital-matte-painting-for-beginners/

When you start learning a completely new discipline or technique without a pre-made course or workshop it is sometimes tricky to know where to start and what to do in your first steps. Hopefully this series will help you to understand “where to look” and “why” in your first steps in Digital Matte Painting. In this series we will cover the basics of becoming a Digital Matte Painter for beginners. If you're starting out or looking to discover what techniques are required to get yourself a job in the industry these tutorials are a great start.