Linden Lab Official talk:Viewer Web Widgets
Looks like some of this is now out of date and abandoned. All of the button images requires missing from the Amazon host and 'destinations-widget' fails to load.
Trinity Dejavu 06:54, 19 January 2014 (PST)
Nice to have's: the blog widgets able to take external feeds.
Mobius Ryba 02:49, 13 October 2011 (PDT)