Check out a nice set of stylized brushes by Jan Wyss.
Instructions:
Drag the .zbp files into C:Program FilesPixologicZBrush 4R8ZStartupBrushPresets and they will appear in your brush palette when opening Zbrush.
Description:
20 brushes for Zbrush for the creation of stylized content. These brushes work best when complemented by the Orb crack brush.