im making this custom story which is like 25% outside	
and i need a good grass texture
ive seen something on internet
<Material>
    <Main BlendMode="Add" DepthTest="true" PhysicsMaterial="Dirt" Type="soliddiffuse" UseAlpha="false" />
    <TextureUnits>
        <Diffuse AnimFrameTime="0" AnimMode="None" Compress="false" File="C:/Program Files (x86)/Steam/steamapps/common/amnesia the dark descent/Dazed/textures/grass/grass_01.dds" MipMaps="true" Type="2D" Wrap="Repeat" />
        <NMap AnimFrameTime="0" AnimMode="None" Compress="false" File="C:/Program Files (x86)/Steam/steamapps/common/amnesia the dark descent/Dazed/textures/grass/grass_01_nrm.dds" MipMaps="true" Type="2D" Wrap="Repeat" />
        <Specular AnimFrameTime="0" AnimMode="None" Compress="false" File="C:/Program Files (x86)/Steam/steamapps/common/amnesia the dark descent/Dazed/textures/grass/grass_01_spec.dds" MipMaps="true" Type="2D" Wrap="Repeat" />
    </TextureUnits>
    <SpecificVariables>
        <Var Name="HeightMapScale" Value="0.05000000074505806" />
        <Var Name="HeightMapBias" Value="0" />
        <Var Name="FrenselBias" Value="0.20000000298023224" />
        <Var Name="FrenselPow" Value="8" />
        <Var Name="AlphaDissolveFilter" Value="false" />
    </SpecificVariables>
</Material>
is it right, if it is: where should i place it?