AdSense Now!

AdSense Now! is the easiest way to start making a buck or two from your blog through Google AdSense. It offers the most straightforward configuration — no mess, no fuss. And once configured, it displays up to three AdSense blocks in your posts and pages (both new and existing.)

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Features

Enforces the Google policy of not more than three ad blocks per page.
Control over the positioning and display of AdSense blocks in each post or page using custom fields.
Simplest possible setup interface — nothing more than cutting and pasting AdSense code into one text box.
Internationalized (English, Spanish, Italian, Portuguese, Bahasa Indonesia, French etc.)
Remembers separate configuration and color settings for each theme.

AdSense Now! is a simplified version of the feature-rich Easy AdSense plugin that does everything AdSense-related (widgets for sidebars, link units, Google searches, options to fine tune etc.) for WordPress.

There is an ad-space sharing scheme implemented starting version 1.5 of AdSense Now!, if you would like to support its future development. It gives you an option to share a small fraction of your ad slots (recommended is 5%) to show the author’s ads. (Five percent means my ad would appear roughly once in twenty of your ads). I have extra code to ensure that my ads don’t appear more than once on the same page. You can turn off this ad space sharing by entering 0% in the Pro version of the plugin. (In the Lite version, the fraction defaults to 5%, and you will need to edit the code to change it.)