Bug in ClipMapEffects.cs

// choose a technique.
            if (_isLightingEnabled && srs.Gfx.ShaderProfile >= ShaderProfile.PS_2_0)
            {
                // select a shader model 2 technique with lighting
                if (texturesUsed == 1)
                    return "ClipMap1_2_lit";
                else if (texturesUsed == 2)
                    return "ClipMap2_2_lit";
                else if (texturesUsed == 1) // sdg: I think this should be 3
                    return "ClipMap3_2_lit";
                else
                    return "ClipMap4_2_lit";
            }
            else
            {
                // select a shader model 1 technique (no terrain lighting)
                if (texturesUsed == 1)
                    return "ClipMap1_1";
                else if (texturesUsed == 2)
                    return "ClipMap2_1";
                else if (texturesUsed == 1) // sdg: I think this should be 3
                    return "ClipMap3_1";
                else
                    return "ClipMap4_1";
            }