Network theme - sub sites

hi ,

i am trying to use network theme on the sub sites of my multisite, buddypress install. i have network theme on the main site and with mason's direction i edited custom-functions.php to show the products in the network instead of blog posts and it is working fine..

but when i try to use network on subsites it keeps pulling posts from the entire network whether i select "blog posts" or "network posts"..

i even tried uploading an additional copy of network theme and renamed it networksub for the subsites and selected "blog posts" but it is still showing all the blog posts of the whole network.

any ideas on how i can use network on subsites?