wpmu 2.9.2 and buddypress 1.2.3
-After install and activate, do the following.
– Create a New Page and set the following while creating page
Parent = Main Page(no parent)
Template = Thin Wide Thin
– Go and add the widget in Appearance >> Widget
– Change the main page setting Settings >> Reading
Front Page = (name of the page you’ve created above)
– go to main page and enjoy the changes!