This is a nice simple plugin, but very powerful and useful plugin that solves an annoying BuddyPress issue – BuddyPress widgets being displayed on all sites which should really only be available for the root blog and accessible to site admin.
We call it BuddyPress Hide Widgets (click for download details).
Simply drop it into /plugins/ and [...]
If you run a large blogging site like Edublogs then there’s a good chance that you’re going to want to be applying batch actions to blogs as you browse through them in Site Admin > Blogs.
Well, at the moment you’d be out of luck, because there’s no select all button :(
But all is not lost… [...]
Taken from: The WordPress MU Manual
Add New Users
Add new users controls whether blog owners are allowed to add new users to their blog. The default setting is Yes. Most circumstances you would allow blog owners to add new users.
Banned Names
You can ban specific names in WPMU so that no one can register with that username [...]
While we were putting together WP.MU we realized that for a lot of people new to WordPress MU the ’site admin’ functionality can be a bit confronting and also that there just isn’t enough (well, hardly any) documentation around for new users.
So, in partnership with Sue Waters (the Online Community Facilitator at Edublogs) we decided [...]