Set brush and paint opacity | Search | Autodesk Knowledge Network
Opacity in Photoshop Explained – and why you need to use it with Flow — The School of Photography - Courses, Tutorials & Books
Flow vs. Opacity - Planet Photoshop
Photoshop Brush Tool: Opacity Vs. Flow - YouTube
Brush Flow vs Opacity - for Mouse & Pen - YouTube
Brushing Up On The Photoshop Brush Tool — Smashing Magazine
BRUSH QUESTION] Why do so many people have the opacity of their brushes to be either effected by pen pressure or any less than 100%? More in comments! Thanks a bunch! :
Make the texture engine not affect the brush opacity/flow behaviour - Feature Requests - Krita Artists
Should you use Flow or Opacity for Photoshop Brushes? - PhotoshopCAFE