Sorry that this does not have to do directly with quicksand, but the site would not let me attached a zip file in Off Topic, and this was something I wanted to show those who were interested.
One of the reason it takes so long to do my movies is you have to do a lot of research and experimentation to figure out how to do things. One thing I've wanted to do for a while is Dynamic Hair. That is hair that responds to gravity and moves as the character moves. I had wanted to use Dynamic hair for A Country Gal's Fate and for Disappearing Act V2, but I could not get it to work.
Poser has a Dynamic Hair system, but its the one thing that does not get imported when you open a Poser scene in Lightwave.



Long story short, very recently, I finally found a way to do it and have been running some experiments. What you do is create a series of Guide Hairs and apply a physics engine to them so they move as the scene progresses. Now, it still needs a lot more work but the clip below shows my first real success! What is needed is a lot more hair guides and a better understanding of how the physics engine affects the hairs, and learning the art of shaping the guides to get a hair style that looks the way you want. After the hair guides are animated, you use a tool such as ClothFx or Sasquatch during render time to create and fill in the hair.
One small step for hair, one giant leap for Poser Quicksand Babes everywhere!
