GIMP - Draw A Paint Brush

7 must-have GIMP brushes

Art GIMP Photo Manipulation

How to create a one pixel pencil brush in Gimp? - Graphic Design Stack Exchange

Introduction to Computer Graphics, Section C.1 -- Gimp: A 2D Painting Program

GIMP - Draw A Paint Brush

GIMP - Parametric Brushes

Art GIMP Photo Manipulation

Pencil and Paintbrush tools come out spotty or in shades of the intended color instead of solid. New to GIMP, does anyone know how to fix this? : r/ GIMP

How to Use the Pen (Paths) Tool in GIMP: Tutorial for Beginners