MediaPlayer and local metadata setup?


I am trying to setup my own local (on my network share) metadata so Media Player doesn’t have to go off to the Internet or use up precious space on the aTV.  I found the support page which explains how to setup the metadata but I am not sure if I should disable the fetch metadata setting in MediaPlayer on the aTV.   Should I?

Also, I have used a program called Media Companion to setup my metadata for XBMC in the past.  Is there a program like it which can setup (or convert XBMC metadata) MediaPlayer metadata?