Hi Hannes,
a distribution shader was used, as was some slope constraint... though I think the clumping scale is off...?
The slope constraint was pretty tight, so there are(must be?) some tiny ledges on the smooth rock face that still support some flora... doesn't look right though...
I will see what else I can cook up... though I have several other tgds on the go...
))
thanks for the feedback...
Jason