The answer is.......smaller polycounts...The more detailed the tree the higher the polygon count. If you look at your poly count for the entire scene its probably out of this world. You need to locate "smaller" polygon count trees...Check out 3dcafe.com or liteluver (I forget the site name but its listed amoung the free stuff) he or she? was kind enough to list the polycount with the thumbnails. Also you might wanna try 2d trees, there are many tutorials listed that will guide you in that direction. You can check out my image using 2d trees just look in the Bryce gallery under "Sunday Ride"....Hope this helps. KAP