Ain't nothing like a chunky brush.
I'm kind of insane. I like using aliased/pixel/rough edged brushes to draw and paint. So I made a funky chunky brush for it & a smooth variation:


Left: Regular, Right: Smooth. I encourage you to play around with the pen pressure size to find one that's right for you! I prefer even lines to lots of variance, so I have it set to low.
Here's an example of using it to "paint":

All you have to do is lower the opacity.
Thank you for reading this, hope you enjoy it if you donwnload it! :'D
Ain't Nothin' Like a Chunky Brush