Spring RTS Engine

Oh yes it worked thanks !
But how can I fix it and what is the reason ?

here is the file
http://pastebin.com/YVGqj1rC

/AdvMapShading 0 didn't work

Since I downloaded this engine, each time I run it i get this strange texture bug : http://postimg.org/image/n2ymjmzgx/
http://postimg.org/image/la0b923o1/
However every unit is displayed without any bug.
I updated my graphic drivers but nothing changed.

Thanks for helping me.