Features:

• • Support for all WordPress content, including custom post types, taxonomies, archives, authors, …
  • No PHP skills or file changes needed
  • User interface to customize all parameters like priorities etc.
  • Available in many languages
  • Calculates a priority for each post, based on the number of comments
  • Notifies Google, Bing and YAHOO about changes via ping
  • Includes a WordPress filter for other plugins which can add their pages to the sitemap
  • 100% Multisite compatible, including by-blog and network activation.

Download (includes all languages):

 Download new version with dynamic sub-sitemaps

 Download older version with single static sitemap

Installation:

Simply download the Zip-Archive and extract all files into your wp-content/plugins/directory. Then go into your WordPress administration page, click on Plugins and activate it. After that you will have a new menu point called "Sitemap" under the "Options" menu. You can alter the default change frequencies and other options there.