xCommenter is a powerful SEO WordPress plugin that will post unique (spun) content to your posts and pages and pings all the major RPC + search engines after the comments are posted. This will add unique content to your pages, entice user interactivity, and improve your SEO efforts by making your posts and page content fresh and updated when crawled by Google, Yahoo, Bing etc.

Demo:

http://codecanyon.net/item/xcommenter-wordpress-auto-comment-seo-plugin/1578465

Downloads:

http://www.hotfiles.ro/download/xcommenter_v1.2.2.rar/796095
http://www.mirrorcreator.com/files/1QU5SIIQ/xcommenter_v1.2.2.rar_links
http://dfiles.eu/files/iltjmm70z
http://www.upl.me/WtNXHP
http://www.myUplBox.com/file/download/720912
http://www62.zippyshare.com/v/68955982/file.html
http://www.share-byte.net/JvyupB

Source: WordPresspublish