Chitika ads aren’t contextual. Often, the same ads appear on pages with disparate content. Techtites highlights a couple of ways to make them more contextual. But you will have to get your hands dirty with some code hacking.
First, you can use the tech-buzz.net method of contextualising the ads based on the title of your post. [...]

Monetizing your site is essential, whether it’s by selling, or creating a platform for selling your service, or by direct ads, you have to have a decent ROI for your blog, to justify your time and money.
Many people choose to monetize their site with Google adsense, but it’s tricky.  There are so many myths online, [...]

In a NYTimes article over the weekend, a surprising comment, not really the focus of the story, is becoming the story for the blogosphere.
Google.com and the company’s foreign search sites contribute more to Google’s bottom line than AdSense, because for every dollar the company brings in through AdSense and other places that distribute its ads, [...]

Pheedo just published a study that appears to hold true to previous research.  RSS Ads are simply more effective than traditional site ads. 
CONSUMERS USING RSS READERS ARE more likely to click on ads presented as stand-alone posts than on ads within posts–7.99 percent to 0.85 percent–according to research conducted this fall by RSS company [...]