I really need my sub sites to have the features of Buddy

I really need my sub sites to have the features of Buddy Press.

I used bp_multi_network and it will allow me to set up BP in the sub sites, but the links still go to the main site.

I tried setting up the sub-sites with the other plug ins and seem to have no luck creating a network style template.

To get the sales network sites, am I going to have to do separate installs of WP and BP? Is there a trick to do it under the multi network?

Secondly, when I add new users there is no place to add the password and the email that is sent says the password has been user selected.

I installed the membership plug in and Network Activated it and it still shows on all sub sites. Is that normal?