If you're using wordpress, then the "All in One SEO Pack" (http://wp.uberdose.com/2007/03/24/all-in-one-seo-pack/ http://wp.uberdose.com/2007/03/24/all-in-one-s

If you're using wordpress, then the "All in One SEO Pack" (http://wp.uberdose.com/2007/03/24/all-in-one-seo-pack/ http://wp.uberdose.com/2007/03/24/all-in-one-seo-pack/) plugin will take care of most of the problems listed in this post.