3sheep

The plugin allows you maintain a number of separate signatures that can be added into posts and pages using short codes.
You can use ‘Number of Signatures’ option to set the number of available signatures. You can then enter each signature using text and variables to add author information. The available variables include:
<ul>
<li>%LOGIN% – Login name</li>
<li>%FIRST% – First name</li>
<li>%LAST% – Last name</li>
<li>%NICK% – Nickname</li>
<li>%EMAIL% – Email address</li>
<li>%URL% – Website</li>
<li>%DESC% – Description/Bio</li>
</ul>
To include a signature into a page or post use the shortcode shown next to the signaure (e.g. [tssig id=”2″]).

3 Sheep Signatures

Allows adding a custom signatures to posts and pages using shortcodes.

Gary Jones

seothemes

Anita C

The Signature Widget for Genesis adds a signature widget on single posts. Bloggers are able to add their signature images along with any other item they wish to have displayed with their signature.
You can see the demo <a href="http://cre8tivediva.com/downloads/genesis-signature-widget/" rel="nofollow ugc">here</a>

Signature Widget for Genesis

The Signature Widget for Genesis can now be used on any WordPress theme and not just Genesis. It adds a signature widget on single posts.

3 Sheep Signatures vs Signature Widget for Genesis