broken textures + how to play t hunt as defense?

[marsh thistle]

hello so my textures are weird, messed up i've downloaded velvet shell version just to play 1 season before i started playing the game, the r6 liberator doesnt give me the option to play as defend in t-hunt?

[brave sorrel]

Texture fix: https://www.nvidia.com/download/driverResults.aspx/218047/en-us/