The Gnomon Workshop was one of the first places I started learning about concept art and digital illustration. Almost 15 years later I now had the chance to do my own course for them. Go check it out here: https://www.thegnomonworkshop.com/tutorials/creating-a-dynamic-character-illustration
Join our Discord study-group for more tips, tricks & workflows: https://discord.gg/wJzfwQHMhA