Thanks to Inky For the Voronoi rock base ;)
Enjoy :)
(http://th07.deviantart.net/fs71/PRE/f/2013/013/f/c/rock_fields_by_wetbanana-d5re8i7.png)
Fullsize:
http://fc09.deviantart.net/fs71/f/2013/013/f/c/rock_fields_by_wetbanana-d5re8i7.png (http://fc09.deviantart.net/fs71/f/2013/013/f/c/rock_fields_by_wetbanana-d5re8i7.png)