Public Relations
Spread the word and get more links through one of these services. They also provide how-to's on writing and optimizing press releases.
Submit press releases for free. Additional services start at $10.
Your free account let's you submit press releases and post job searches. Upgrade for more, starting at $200 for the year.
It looks like you'll need to spend $80, but you can plug in as little as $10 to submit a press release.
This service started out free, but now submitting a press release will cost you, starting at $49. As of March 2008 however, they've added Social Tagging to their list of services, but it costs more to access this feature.
This site is particularly useful for submitting articles.
The information in this straight-forward book will help you prepare your materials: