Drup.org

http://civicactions.com/blog/creating_seo_strategy_part_5_community
http://www.group42.ca/drupal_seo_from_drupal_camp_victoria_2008
Daniel Zivkovic of Jasmina Homes spoke at the November 2008
Toronto Drupal User Group on Drupal SEO & Internet Marketing Tips. His excellent presentation can be downloaded here: http://JasminaHomes.ca/docs/Drupal-SEM-Tips.pdf
Google ignores metatags: http://www.theregister.co.uk/2009/09/22/google_keywords_meta_tag/