https://phlearn.com/tutorial/amazing-power-brush-tool-photoshop/

From painting beautiful visual effects to making perfect cutouts of a subject, the Brush Tool can do it all. Learn how to create and load custom Photoshop brushes to add realistic rain, snow, and smoke effects to any photo. You’ll even learn how to paint in natural hair detail when placing a subject into a new background. Best of all, our entire library of over 35 Photoshop brushes is included in this tutorial!