Wide Paint Brush
I'm not sure if these are standard brush sets in PS, but check and see if you have sets called "Assorted Brushes," "Dry Media Brushes," or "Thick Heavy Brushes." Some of the brushes in those sets render a natural looking brush stroke.
|Last voyage by DJDarbs|
from Dramatic skies
|wanakatreepink2RS1600 by Bren Dyer|
from Best Picture Period!
|crashing waves by stickpointed|
from Landscape - Black and White #3