Joost de Valk

Easily add breadcrumbs to your template. If you’re using one of the supported WordPress frameworks, it’s as easy as enabling the plugin and checking the “Try to add automatically box”, if you’re not using one of those, adding it is as simple as adding one line of code to your template!
<h4>Supported Frameworks</h4>
Currently the breadcrumbs plugin supports the following frameworks:
<ul>
<li>Thematic</li>
<li>Hybrid</li>
<li>Thesis</li>
<li>WP Framework</li>
</ul>
More info:
<ul>
<li><a href="http://yoast.com/wordpress/breadcrumbs/" rel="nofollow ugc">Yoast Breadcrumbs</a>.</li>
<li>Read more about how to improve your <a href="http://yoast.com/articles/wordpress-seo/" rel="nofollow ugc">WordPress SEO</a>, so you can get the most out of this plugin.</li>
<li>Check out the other <a href="http://yoast.com/wordpress/" rel="nofollow ugc">WordPress plugins</a> by the same author.</li>
</ul>

Yoast Breadcrumbs

jneuveglise

This plugin will cut your RSS feeds at the “more” tag. It will enable you subscriber to see what you want them to see as on the home of your blog.
It will also add a customizable link at the bottom to the complete article and optionally a fully configurable footer to avoid robots to steal your content.
It will not work if you choose ‘partial’ feeds in the WP configuration.

RSS No More

This plugin will cut your RSS feeds at the 'more' tag or custom [rss-cut] tag and optionally append a footer to each article on your RSS fee …

Yoast Breadcrumbs vs RSS No More