Where do you want this, underneath your article? You can make it yourself. For an example check out my tips and tricks blog. http://www.dagondesign.com/articles/add-signature-plugin-for-wordpress/
Okay, great site. I uploaded the plugin, and have it working, but I don't know how to have it link for the trackback. I used <a href="%URL%/%SLUG%">trackback</a> and obviously SLUG doesn't work. How would I incorporate the url of the post to autopopulate so that the trackback link is valid? Thanks. BTW - I still want to know whether the above image is a plugin or not. I've seen it a bunch of times with multiple blogs.
Its not a plugin dude.. its just a piece of code which you can add to your theme files and then you will get it..
Ah, thank you. I must now figure out how to get that code from the single.php into mine. I had my theme coded recently and perhaps some of that stuff is missing.