Nolongeractive

To use the widget just drag it to a sidebar and choose one of six button styles. You can also specify a url to recommend. If you leave the url empty, the active page will be recommended.

Stumble Page Social Widget

This plugin lets you place a StumbleUpon button on your WordPress blog as a widget. You can configure the button by choosing the style and specifying  …

This plugin is for bookmarking your posts into StumbleUpon, Slahdot, Technorati, Digg and Del.icio.us. You have to do nothing but just activate the plugin. It automatically add the bookmarking options just below to your posts. 
It also has a stylish button for subscribing to your RSS feed. Pretty visual interface also included!
<ul>
<li>Traffic : This plugin increses your website traffic</li>
<li>Looks: Transparent plugin will give your blog a nice look</li>
<li>Large, Friendly Icons: Since the bookmarking is implemented with huge images, the chances for bookmarking are very high</li>
</ul>
For Example and Details Visit : <a href="http://www.jjtcomputing.co.uk/blog/" title="Examples and Details" rel="nofollow ugc">http://www.jjtcomputing.co.uk/blog/</a>
My Technical Blog is : <a href="http://www.jjtcomputing.co.uk/blog/" title="My Technical Blog" rel="nofollow ugc">http://www.jjtcomputing.co.uk/blog</a> 
If you have any queires / complaints regarding this plugin, please feel free to mail me at webmaster@jjtcomputing.co.uk. Thank you
See my blog for updates <a href="http://www.jjtcomputing.co.uk/blog/" title="Blog" rel="nofollow ugc">http://www.jjtcomputing.co.uk/blog/</a> .
For general support, please consider posting on <a href="http://www.jjtforum.co.cc/" title="Blog" rel="nofollow ugc">http://www.jjtforum.co.cc/</a>, so everyone can benefit from your answer.

Submit to Any

This plugin is for bookmarking your posts into many popular bookmarking sites and giving readers the chance to subscribe to your feed.

Stumble Page Social Widget vs Submit to Any