I saw this shown somewhere before but not I cant remember where and I cant seem to figure it out on my own....basically I just want to know how to change the textures of rocks in an ecosystem....

If you already loaded the rocks as ecosystem-
In the world browser click on the materials tab( 2nd from the left) and you'll get a list of all materials including eco materials.  Double click on the material you want and you'll get into the material editor and replace or change the material.
Alternatively, just load one rock, edit its material, save as vob and then load this rock(as object) in your eco system.

"I paint that which comes from the imagination or from dreams, or from an unconscious drive. I photograph the things that I do not wish to paint, the things which already have an existence."
Man Ray, modernist painter
http://artpearl.redbubble.com/

Could you send me a screenshot because that's what I'm trying to do (the first suggestion you made) and I cant seem to figure it out.....

Oh, I see now....

So, does that mean you sorted it, or do you still need some more info?
(sorry, my vue was mid render or I would have included a screenshot with my prev post)

"I paint that which comes from the imagination or from dreams, or from an unconscious drive. I photograph the things that I do not wish to paint, the things which already have an existence."
Man Ray, modernist painter
http://artpearl.redbubble.com/

I figured it out....thanks for the help!