PS: As this is the Poser forum it might also be of interest to know that owning a copy of HITFILM will allow you to work wonders on your Poser scenes.

• Ever wanted particles in a Poser scene?
• Ever wanted to create masive cityscapes in almost realtime with both particles and volumetric effects all at once?

Import your 3D models into HITFILM and you can do exactly that!
You can already do that, and the next version is going to be even better!