*Well, you can if you want Poser to throw a fit every time you try to load a MAT.  Great fun.  :)

*;p OK. I'll  say it then,,, Do NOT change the texture and geometry file names(unless you know how).  I see people asking why poser searches for everything,, once in a while...

..shudders... I had 38,000 orphaned texture files after my last crash...pause... "Please locate black.jpg"... pause... 

I'm better now. really