ElbowRobo

This plugin is for WordPress, it adds a dashboard menu. Once you have activated the plugin it will automatically alter copied text of the main website using settings in the dashboard. Including copy altering for:
<ul>
<li>Copyright information</li>
<li>Restricting amount</li>
</ul>
<h3>Donations</h3>
If you want to support the plugin head over to: <a href="http://www.stormation.info/portfolio-item/read-more-copy-link/" title="Stormation.info official page for Read More Copy Link" rel="nofollow ugc">Stormation</a> where you can comment about the plugin.

fabio.mazzarino

In-Post Template plugin add additional content to posts and pages, inside the_content() data result. It can be used to add sitewide content like AdSense, banners and plugins.
It accepts to insert html, java script, embedded content, php and even others plugins. Template tags are also accepted.
It replaces a special mark added inside the post which can be the  mark or any other configured.

In-post Template

In-Post Template plugin add additional content to posts and pages, inside the_content() data result.

Read More Copy Link vs In-post Template