This may work:
Code:

material mtl_shadowmap
{
effect=
"
texture entSkin1;
texture entSkin2;

technique one_pass_shadow
{
pass p0
{
Texture[0]=<entSkin1>;
Texture[1]=<entSkin2>;

ColorArg1[0]=Texture;
ColorOp[0]=Modulate2x;
ColorArg2[0]=Diffuse;
TexCoordIndex[0]=0;
TextureTransformFlags[0]=Count2;
TextureTransform[0]={1.0,0.0,0.0,0.0, // color map u scale
0.0,1.0,0.0,0.0, // color map v scale
0.0,0.0,0.0,0.0,
0.0,0.0,0.0,0.0};

ColorArg1[1]=Texture;
ColorOp[1]=Modulate;
ColorArg2[1]=Current;
TexCoordIndex[1]=0;
TextureTransformFlags[1]=Count2;
TextureTransform[1]={1.0,0.0,0.0,0.0,
0.0,1.0,0.0,0.0,
0.0,0.0,0.0,0.0,
0.0,0.0,0.0,0.0};
}
}
";
}