» Directories Directories where you can submit your site for links. » Directories - Free Directories that are either free to be listed in, or only have a fee for special classes of service. » Directories - Paid Inclusion Directories that charge a one-time or ongoing fee for a listing.

Advanced Link Building Strategies A nice general write-up on strategies for getting additional links to your site.

Getting backlinks for newbies SEOChat forum discussion on the basics of how to get links to your site.

Co-op Advertising Network Free automated network for sharing and distributing links. Requires PHP.