when you have poser 7 (or poser 5, 6) 
you can manage to import dynamic cloth with the help of a python-script, that converts dynamics in morphs.
the following link at daz3d shows, how it works:

http://www.daz3d.com/i.x/tutorial/tutorial/-/?id=1543

but don´t forget to delete all lights, before you save your pz3-scene!

hope it helps.

bine