DirectMatchMedia

This plugin adds embedable code underneath an uploaded image into posts. Currently it is restricted to image mime types, but functionality may be expanded in the future.
Upon upload of the image, the user is provided 4 options. Embed Heading, Embed Source, Embed Text, and Size. Embed Heading specifies the embed text that will be displayed in the post. ‘Embed Source’ is the
source URL of the media. ‘Embed Text’ is the text that will be displayed in the embeded link or caption. 
No Current Configurable Options

Embeditor

Once Enhanced Linking is installed, users will notice two new options: ability to add links from related articles and ability to search the web right from the window. This will let users find relevant fresh content from other bloggers and allow them to find anything on the web in a quick and easy fashion.
<h3>Terms of Service</h3>
The plugin source code is released under GPLv2. Usage of plugin is governed by <a href="http://www.zemanta.com/legal/terms-of-service/" rel="nofollow ugc">Zemanta Terms of Service</a> and <a href="http://www.zemanta.com/legal/privacy/" rel="nofollow ugc">Zemanta Privacy Policy</a>.

Enhanced Linking

This plugin enhances the Insert/Edit Link dialogue by letting users select and find additional content from their blog and external web.

Embeditor vs Enhanced Linking