My custom brush supplement Contains instructions and resources for 25 Custom Brushes.
[link] <- Custom Brush Tutorial if you would like to learn how to make your own.
=========================================== DOWNLOAD THE .ZIP OVER THERE ->
Full instructions are contained in the README inside the .zip READ IT before you message me about problems installing, I guarantee you the answer is in it.
if there's an "open" or "edit" option, do those. chances are it'll pop up the same dialogue. different versions of windows have different menu options ^^