This WordPress plugin automatically appends all your blog tags generated by the Ultimate Tag Warrior (UTW) WordPress Plugin onto the end of the Google XML Sitemap (sitemap.xml) file as generated by the Google XML Sitemaps for WordPress Plugin.
For example, say you have 60 UTW tags in your blog, and you execute the Google Sitemap Generator for WordPress plugin to re-create your latest sitemap, then this plugin will automatically append all 60 tag URLs onto the end of the newly generated sitemap.xml file.
This means that the Google / Yahoo / MSN (Windows Live) search engines will be made aware of all your internal tags and should then scan and index your tagged directories for your specialised (tag-sorted) content. This should help your blog to achieve higher search engine rankings for your tagged pages.
Free Download: Download this wp-plugin