Allow you to do fast verification for WPMU websites with Google Webmaster Tools, Yahoo! SiteExplorer, Bing Webmaster Center & Alexa Siteowners.
Add an interactive Map in your wordpress posts based on BingMap and Silverlight
Bing404 transforms your standard “We can’t find that” to “Maybe one of these is
what you are looking for”.
This plugin will help you generate Image Sitemaps (XML) for your WordPress blog.