I have brushes for PSP 7 and Photoshop as well. There is also a way of converting photoshop brushes so that you can use them in PSP. Ask your moderator -- Let_Britney_Be how to do that. He figured it out. For now here is what I have.
For PSP:
http://www.paper-pieces.com/brushes.html
For Photoshop:
http://veredgf.fredfarm.com/vbrush/main.html