As far as clip-maps; I usually make my own. Foleypro makes some great freebie tree clip-maps and there may be more in free stuff. Here's one I made some time back to get you started. If anyone wants to use it feel free. Just click on "Leo" to create a 2D pic object and import the color jpeg into the first box, and the B&W jpeg into the second box and you're good to go. Here's the color pic...