Foliage Tutorial: [link]
As with all of my brushes:
* Attribution not required except for published modifications
* You may use these for commercial purposes
These were created in order to better paint foliage, however they work well for adding texture as well.
They are animated with 3 images each rotated in 4 directions for a total of 12 samples (?) per brush.
They are under LJF Foliage Grunge 01 and 01b.