See the author's page http://1uthavi.adadaa.com/ada-wpmu-sitewide-feed-plugin/ and the http://wordpress.org/extend/plugins/ada-wpms-sitewide-feed/ page.
Old link: http://www.itdamager.com/plugins/wpmu-sitewide-feed/ broken link Rharrison 03:42, 11 February 2008 (UTC)