Almost forgot how to properly setup a network/windows share. Anyway, for anyone new or for a refresher on how to setup a share, the setup info is on page 29 of the WD TV Live manual. For sharing files directly on your computer, that starts on page 35.
WD TV Live Manual:
http://www.wdc.com/wdproducts/library/UM/ENG/4779-705062.pdf