DMOZ listings can be great, but Google will often use the Description from the DMOZ directory in its listing for your site. This is not always desirable, as these descriptions can be out of date. To get around this, you can use the NOODP tag. You will find details of how to use this tag on the website www.free-seo-news.com. Link direct to the post about NOODP via this link: http://www.free-seo-news.com/newsletter224.htm