[Plugin: SEO Facebook Comment] doesn´t work att all

installed seo facebook, can see it on the left side of the dashboard, asked to fill in “general config” and “comments config”, then go “save” but nothing happens!! help!! i would like to integrate the facebook comments to a friends homepage: http://www.christianschulz.at – is still under construction

http://ww.wp.xz.cn/extend/plugins/seo-facebook-comments/