Submit your site to be approved into Text Link Ads publisher program. And then insert the ad code on your website. You can choose to approve or deny any Text Link Ads sold prior to the links being published on your website. This ensures that only quality and relevant links appear on your website.

You receive 50% of the sale price for each text link ad sold off your website through Text Link Ads system. Payments are sent to publishers the first of every month with a $25 minimum payout. You can display Text Link Ads on the same page with Google AdSense, Yahoo! Publisher Network, and other contextually served ads. Text Link Ads product is not a pay per click or contextually served ad system.

Type: Selling Text Link
Source: http://www.text-link-ads.com/about.php