I don't think poser shaders work in DS..but, according to what the product page says..there are PP mats to use instead.  Have you tried that?  You can contact Rebelmommy to find out about the product.
It also says it wasn't tested in anything but Poser.

 

“For those who believe, no proof is necessary. For those who don't believe, no proof is possible.”

[Stuart Chase]