This product provides Python Scripts. These are not used from the Library Panel, but must be opened this way. To do this, go to FILE –> Run Python Script. Then browse to and open the python script for this product. The readme tells you where it is.
I am not sure who posted this, but it is not true. Use the pose .pz2 files from your library pose folder. ~~ DraagonStorm
Also this product only works in Poser 7 and above (The product page is in process of being updated 06/22/2010)