One more item on ThemeClick.com on this category. Litemap is an incredibly light-weight on-site sitemap generator.
Capable of paging hundreds of thousands of posts/pages, it gives you controls to list your blogs posts and/or pages alphabetically or by date published. Order ascending or descending.
Choose how man items you want to show per-page, and the style of paging you require (either Prev/Next links or Page 1 2 3 etc).
Finally, insert the shorttag [litemap] onto a page to show your sitemap.
Perfect for deep linking and more effective indexation for your Wordpress blog. We are sure after from the success installation from this item Litemap to your website you will be very satisfied