Cave Dweller,

    Check this site out, Scenic Express. Made by SilFlor, make the clumps on a "sticky " sheet & you pull off what you need. It's Awesome Stuff. Buffalo Tufts/Buffalo Grass ! Originally designed for Model Railroads !

  -  http://www.sceneryexpress.com/products.asp?dept=1232

   http://www.sceneryexpress.com/default.asp   Tons of Cool Stuff !! I like that Arc Welder .... 'Will look Awesome on a German Panzer in Repair !!