webbolt

<h4>Features</h4>
<ul>
<li>easy pin insert with only its url specified;</li>
</ul>
<h4>Usage</h4>
<p>[pin url=http://pinterest.com/pin/424605071087515584/]</p>


Pinterest Pin Shortcode

This plugin lets you insert any pin (image) from Pinterest into post through the shortcode.

wpadlock

<p>wPadlock adds an additional PIN field to your login page. In order to login, you’ll be using your credentials and PIN generated from your account on https://wpadlock.com</p>
<p>Major features in wPadlock include:</p>
<ul>
<li>PIN field automatically added to your login page</li>
<li>You generate the PIN when you need to login (first create account at https://wpadlock.com)</li>
</ul>
<p>PS: You’ll need an <a href="https://wpadlock.com/" rel="nofollow ugc">wPadlock.com API key</a> to use it.  Keys are free, but donations are welcome (free for personal and commercial use).</p>


wPadlock

wPadlock adds an additional PIN field to your login page and provides additional security against brute-force attacks

Pinterest Pin Shortcode vs wPadlock