Just notised that the plugin adds this code twice on every page, whats up with that?
<!-- This site is optimized with the Yoast WordPress SEO plugin v1.1 - http://yoast.com/wordpress/seo/ -->
<meta name="description" content="Funny Pictures and LOLPics. Get the BEST Funny Pictures, LOLPics and MEMES from The Funny Pictures Blog. Hourly Updates of LOLPics and MEMES"/>
<link rel="canonical" href="http://funny-pictures-blog.com/2011/12/16/stalkers-vs-secret-admirers/" />
<!-- / Yoast WordPress SEO plugin. -->
Exsample: http://funny-pictures-blog.com/2011/12/16/stalkers-vs-secret-admirers/ check the source file and youll see that the plugin added that code twice