I don't understand.Why do you need this when you can just change the ground colour to green via the environment settings.
oh look, the ground is smooth in the pic.
Ground_MinimalGrassno \/A minimalistic green ground file that makes building easy and buildings look betterScreenstuff:Download:https://www.dropbox.com/s/ip7zfg2m3qyxbzw/Ground_MinimalGrass.zip
Uhhh... We can do this with default settings so this is loving pointless.