One more tip...

Any time you enter Poser's Setup Room and later save that figure back to the library, Poser will create a NEW mesh (and stick it in the same folder you saved the figure to).  This mesh will be 'split' at the group boundaries.

I usually delete this mesh (I like to keep my meshes welded - thank you very much) and then edit the top of the new figure .cr2 file to point back at my original mesh over in the Geometries folder, where it's supposed to be.

Once I have the rig basically set up, I try not to even enter the Setup Room... you can do adjustments to the rig using the Joint Editor instead.  The only advantage of the Setup Room is in creating new bones (or applying the rig of some existing character) and then a different (graphical) user interface that lets you move groups of bones at the same time (ie. you can move every bone that's a child of the abdomen at once).  So once I have the bones roughly where I want them, I do everything else using the Joint Editor.

 

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