This plugin is for adding certain text to every post, before or after.
<ul>
<li>Example : You can add a copyright notice to each post, or licensce information</li>
</ul>
For Example and Details Visit : <a href="http://www.jjtcomputing.co.uk/" title="Examples and Details" rel="nofollow ugc">http://www.jjtcomputing.co.uk/</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="JJT Forum" rel="nofollow ugc">http://www.jjtforum.co.cc/</a>, so everyone can benefit from your answer.

Custom Post Text

This plugin is for adding certain text to every post, before or after.

Kumbh Design Inc.

custom header & footer script plugin allows you to insert custom third party HTML scripts in your webpages. It’s very easy.
No need to edit in your theme’s core files to do a hard code or any customizations.
You can follow such easy and simple steps at Admin Panel to install and use this plugin.
Features:
<ul>
<li>FREE Plugin.</li>
<li>One click to Install and Easy to Use.</li>
<li>Do not need to edit your theme’s core files.</li>
<li>You can insert script in head and body tags as header and footer.</li>
<li>Quick and supportive.</li>
</ul>

Custom Header Footer

Excellent all the functions, it fulfills what it promises. Highly recommended.

Sagar Thakar

custom header & footer Script Plugin will add HTML to your WP page like CSS, Javascript without editing your themes OR your core coding structures …

Custom Post Text vs Custom Header Footer