We'll create fresh WordPress site with BuddyPress Extend Widgets installed. You have 20 minutes to test the plugin after that site we'll be deleted.
After activating all current and possible future widgets will get extra BuddyPress specific options.
You will be able to select on which users profiles or groups pages you want to display this widget and on which – don’t.
So you will get more flexibility in arranging your sidebars (or widget-zones).