I've added copylink button.
<div align=left>
<a href="
http://www.facebook.com/sharer.php?u={$ ... :the_title}" target="_blank" style="text-decoration:none">
<img src="/Immagini/facebook.png" border="0" alt="Facebook" width="28" height="28">
</a>
<a href="
http://twitter.com/share?text={$subject ... :post_link}" target="_blank" style="text-decoration:none">
<img src="/Immagini/twitter.png" border="0" alt="Twitter" width="28" height="28" >
</a>
<a href="whatsapp://send?text={$subject|tag:the_title} {$id|link:post_link}" data-action="share/whatsapp/share" target="_blank" style="text-decoration:none">
<img src="/Immagini/whatsapp.png" border="0" alt="Whatsapp" width="28" height="28">
</a>
<a href="fb-messenger://share/?link={$id|link:post_link}&app_id=your-app-id-here" target="_blank" style="text-decoration:none">
<img src="/Immagini/messenger.png" border="0" alt="Messenger" width="28" height="28">
</a>
<a href="
https://t.me/share/url?url={$id|link:po ... :the_title}" target="_blank" style="text-decoration:none">
<img src="/Immagini/telegram.png" border="0" alt="Telegram" width="28" height="28">
</a>
<a href="
http://pinterest.com/pin/create/link/?u ... :the_title}" count-layout="horizontal" target="_blank" style="text-decoration:none">
<img src="/Immagini/pinterest.png" border="0" alt="Pinterest" width="28" height="28">
</a>
<a href="
https://www.linkedin.com/shareArticle?m ... :the_title}" target="_blank" style="text-decoration:none">
<img src="/Immagini/linkedin.png" border="0" alt="Linkedin" width="28" height="28">
</a>
<a href="
http://www.tumblr.com/share/link?url={$ ... :post_link}" target="_blank" style="text-decoration:none">
<img src="/Immagini/tumblr.png" border="0" alt="Tumblr" width="28" height="28">
</a>
<a href="
https://reddit.com/submit?url={$id|link ... :the_title}" target="_blank" style="text-decoration:none">
<img src="/Immagini/reddit.png" border="0" alt="Reddit" width="28" height="28">
</a>
<a href="
https://share.flipboard.com/bookmarklet ... :post_link}" target="_blank" style="text-decoration:none">
<img src="/Immagini/flipboard.jpg" border="0" alt="Flipboard" width="28" height="28">
</a>
<a class="a2a_button_copy_link"><img src=/Immagini/copylink.png border="0" alt="CopyLink" width="40" height="40"></a>
<a href="mailto:?subject={$subject|tag:the_title}&body={$id|link:post_link}" title="{$subject|tag:the_title}">
<img src="/Immagini/email.png" border="0" alt="Email" width="28" height="28">
</a>
<a titlt="print screen" alt="print screen" onclick="window.print();"target"_blank" style="cursor:ponter;">
<img src="/Immagini/print.png" border="0" alt="Print" width="28" height="28">
</a>
</div>