Painting over 3D renders (Tutorial)

360 panoramic drawing in Blender 2.8 (Tutorial)

Octane Standalone: Crash course (Tutorial)

How to create cinematic lighting using textures (Tutorial)

Blender 2.8: Turn your 2D drawing into a 3D model using Grease Pencil

Blender: Advanced Grease Pencil Tutorial

Blender Grease Pencil tutorial

How to create cinematic landscapes (TUTORIAL)

Introduction to Blender workflow (Volume One)

How to create cinematic cityscapes.

How to convert a 2D painting to 3D painting.

The killer

3D painting tutorials

The Church