Attached Link: http://www.renderosity.com/mod/forumpro/showthread.php?message_id=2622055&ebot_calc_page#message_2622055

> Quote - Poser doesn't allow geometries to be updated on a per-frame basis ...

Oh yes it does!

Well at least the internal renderer does, I don't know if the external version of Firefly honours the Python callback required to do the geometry change (I have a strong suspicion that it doesn't, but haven't tried it).

To get a taste of the issues involved with fluid dynamics, play with the stuff in Blender.