thanks to David Ward!
here is the video serie:
http://www.youtube.com/playlist?list=PL9FE4ACC7E521FBBF&feature=plcp
my other steps:
https://www.facebook.com/photo.php?fbid=317590854986552&set=a.317589458320025.74763.132831550129151&type=1&theater
- we need more grass
- left side suddenly world ends
- tree sizes need to be more accurate
