Plugin, that controls your advertisement codes (such as Google Adsense, <a href="http://2lx.ru/2008/09/zorka-udobnyj-cop-beguna/" title="Zorka (ru)" rel="nofollow ugc">Zorka (ru)</a>, counters/ratings, etc.) in begining and ending of posts. 
All the information (general, changelog, installation, usage) you need about this plugin in russian can be found here: <a href="http://2lx.ru/2009/02/wp-advert-manager/" title="WP Advert Manager" rel="nofollow ugc">WP Advert Manager</a>. 
It is the exact same readme.html is included in the zip package.
<h3>Development Blog</h3>
<a href="http://2lx.ru/" title="Блог неизвестного веб-мастера" rel="nofollow ugc">Блог неизвестного веб-мастера</a>

WP Advert Manager

Plugin, that controls your advertisement codes at your WordPress blog.

iFour Technolab Pvt. Ltd.

“Ads After First Paragraph” is a Ads plugin that includes user Ads code to post or webpage after first paragraph. First paragraph is the most revenue generating and high impression place in a blog. This plugin also has another feature of adding sticky ads banner vertically both sides, right and left. Sticky banner is visible during complete user visit to your page or website.
Features
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Easy to use with Google AdSense and Bing or yahoo Ads Code.
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You can use any JavaScript or HTML codes in any of three location left sidebar, right sidebar and first paragraph of blog page.
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You can use any Ad Networks’ code.
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High Potential earning from your Website or Blog.
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<a href="http://ifourtechnolab.com" rel="nofollow ugc">wordpress plugin developer</a>
For Support <a href="mailto:info@ifourtechnolab.com" rel="nofollow ugc">Contact Us</a>

Ads after first paragraph

This plugin includes user Ads code to post or webpage after first paragraph with additional feature of sticky Ads bar in sidebars.

WP Advert Manager vs Ads after first paragraph