Justin

This plugin adds a support ribbon to the bottom left of your WordPress site.
<h3>For more information visit</h3>
<a href="http://portalplanet.net/wordpress-themes-plugins/support-ribbon-wordpress-plugin/" rel="nofollow ugc">WordPress Support Ribbon</a>

Support Ribbons For Your Site

This plugin allows the admin to select a support ribbon that will be displayed in the lower left corner of your WordPress site.

zpop

Ubuntu ribbon is made to promote Ubuntu.
A Ubuntu ribbon will be put on in the top right corner of your website, linking to the <a href="http://www.ubuntu.com/" rel="nofollow ugc">Ubuntu</a> website.
This is a fork of <a href="https://wordpress.org/plugins/stop-censorship-ribbon/" rel="ugc">Stop censorship plugin</a>.
In serbian at <a href="http://zeljko.popivoda.com/ubuntu-ribbon-wordpress-plugin" rel="nofollow ugc">Željko Popivoda</a> blog plugin page.
My other plugins:
<ul>
<li><a href="https://wordpress.org/plugins/ubuntu-sidebar/" rel="ugc">Ubuntu sidebar</a></li>
<li><a href="https://wordpress.org/plugins/ubuntu-sidebar-lite/" rel="ugc">Ubuntu sidebar lite</a></li>
<li><a href="https://wordpress.org/plugins/lubuntu-ribbon/" rel="ugc">Lubuntu ribbon</a></li>
<li><a href="https://wordpress.org/plugins/lubuntu-sidebar-lite/" rel="ugc">Lubuntu sidebar lite</a></li>
<li><a href="https://wordpress.org/plugins/debian-sidebar/" rel="ugc">Debian sidebar</a></li>
<li><a href="https://wordpress.org/plugins/debian-sidebar-lite/" rel="ugc">Debian sidebar lite</a></li>
<li><a href="https://wordpress.org/plugins/debian-ribbon/" rel="ugc">Debian ribbon</a></li>
</ul>

Ubuntu ribbon

Help Spreadubuntu by putting a ribbon on your WordPress site.

Support Ribbons For Your Site vs Ubuntu ribbon