Rimaz Rauf

This plugin allows you to append a signature after every post. You just have to import the edited image to your media library and configure it in the Signature menu, Each author can have their own signature, and it is easy to use. You just need to include a short code in to your post.
Expert developers can place the short code in the template itself.
How to Use:
<ol>
<li>
Create a New Post under Rim Slider
</li>
<li>
Add the image links in the fields then publish it
</li>
<li>
Use the short code [rim_sig id=’1′ /]
</li>
</ol>
<ul>
<li>Replace the ID to your post id.</li>
</ul>
<h3>Further Information</h3>
Visit Me http://www.rimazrauf.com

Rim Signature

This plugin allows you to append a signature after every post. You just have to import the edited image to your media library and configure it in the  …

Soli

This plugin allows you to append a signature after every post. Some variables can be used, such as %post_title%, %post_link%, %bloginfo_name%, %bloginfo_url%, and so on. It supports multiuser.

WP Post Signature

Works great for me

This plugin allows you to append a signature after every post. Some variables can be used.

Rim Signature vs WP Post Signature