Installing a Brush
ONE. Download your brush, you can get some from here, unzip the folder and open the files in paint shop pro. Heres the brush I'm going to install:

TWO. Make sure the brush you want is selected, then go to File >> Export >> custom brush...

THREE. This box should pop up :

Give the brush a name & click ok.
FOUR. Then your done! Now you can use your brush to make your graphics much more effective.
Tutorial by oh-vintage.co.uk