Unleash the Magic of the Photoshop Mixer Brush | PRO EDU
How to turn any image into a painting using the mixer brush tool in Photoshop - YouTube
How to Convert Any Photoshop Brush into a Mixer Brush | Did you know you can convert any Photoshop brush into a mixer brush by holding down ctrl+alt on a PC or
3D Fluid Mixer Brush Gradients for Adobe Photoshop by Graphic-Spirit