This plugin will generate a sitemaps.org compatible sitemap of your WordPress blog which is supported by Ask.com, Google, MSN Search and YAHOO.
I really have no idea if this does any good or not but being easy to set up and free what the heck.
You can download it from http://www.arnebrachhold.de/redir/sitemap-home/

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I love this , so do the search engines . A sitemap allows easy navigation through your site and makes it easier for the seo robots to index it.
Again download it ,unzip ,upload to your plugins directory on your web server.
Activate the plugin from your plugin menu ,create a page called Sitemap and copy the [...]