Category {
    Tags {"Queue"="Overlay" "RenderType"="Transparent"}
    ZWrite Off
    Alphatest Greater 0
    Blend SrcAlpha OneMinusSrcAlpha 
    SubShader {
       Material {
         Diffuse [_Color]
         Ambient [_Color]
       }
       Pass {
         Cull Back
         ColorMaterial AmbientAndDiffuse
         Lighting Off
            SetTexture [_MainTex] {
                Combine texture * primary, texture * primary
            }
            SetTexture [_MainTex] {
                constantColor [_Color]
                Combine previous * constant, previous * constant
            }  
       }
    } 
}

}