List your site free in the GOpile search engine under the keywords of your choice. You can decide the targeting of your traffic, since you choose the keywords. They host a reciprocal links page for you, which you link to from your site.
Free version is somewhat limited, though still useful.
Just link to the links page from somewhere visible on your site, and get targeted traffic from the exchanges. AddPro Automatic submission to major search engines. Doesn't force a link back. Also has a small web promotion guide. Click-thru Get a visitor in return for each site you visit through the system.