Hi, I'd like to know if it is possible to create a sort of "global" master dial that would control all the full body morphs for each figure in the scene.

So for example you have 3 Simons', and you could, with a unique morph dial, command simultaneously all the 3 Simons' full body morphs.

If Poser doesn't have such functionality embedded, perhaps a Python script would allow that ?

Thanks for any answer and Happy Holidays to everyone ! 

Attached Link: Follow body settings

Here's a quickie that may do the job. 

Activate the script.

Hit the "start" button.

Move stuff on the BODY of the selected figure.

Hit the "follow" button.

All other figures that own the same parameters will take on the new settings,
at the current frame.

You should be able to leave the script active while building an animation;
don't hit Start again, just hit Follow after each new setting.  The script will
detect and change only the newest moves. 

My python page
My ShareCG freebies

Thank you very much, that script work really well !