30 Sets of Watercolor Free Brushes for Photoshop - Designmodo
4000+ Free Photoshop Brushes - Inspirationfeed
Alex Dukal Store - AD Adobe Sketch Brushes
12 cool sets of free Photoshop pencil brushes
Kyle T Webster on Twitter: "FREE #photoshop BRUSHES! Go to this page and scroll down a bit to the link where you can snag 8 free brushes by yours truly. https://t.co/6w3Y1bPBeT https://t.co/3XlliPfwZV" /
Sketch A Day: Photoshop & Fresco Brushes — Sketch A Day