Quote - I got a four legged figure rigged...   and I learned how to make branches for the legs...  Now I'm going for a six legged figure...   If I can do that then I'm going for my spider...

can I save the bones alone?   Maybe I can just put my six legged bones to work for my spider...  Or is this not a good Idea,,,  

Thank you PhilC for your advice on using "BODY" as a name..

You'll want to always use Poser body part names whenever possible (hip, buttock, thigh, etc.). You don't have to use those names necessarily with PHIBuild but since you are just starting out it would probably be easiest for your troubleshooting.
Yes, you could add bones to an existing rig but you will now find out how poor Poser is at this kind of stuff...can you say "crash"? lol. Save often.

Comitted to excellence through art.