Good Free Advertising on the Internet?

[James M. Helms]

The best free advertising is good keyword rich textual content in the title, metadata, body content, header tags, and anchor text of your site. Ensure that your pages are getting indexed and you add content regularly.
This is the best thing to do to get natural search ranking within your particular niche. Here are some articles that should help you out:
On page optimization for search engines:
http://www.informitus.com/search-optimiz...ation.html
Keyword and phrase usage:
http://www.informitus.com/keywords-and-phrases.html
Getting your web pages in the search engine index:
http://www.informitus.com/indexing-your-webpages.html