See Adding Google's +1 (plus one) button to your Posterous.
This is a small script to add Google +1 to a Posterous theme using an iframe. It can also be used wherever Javascript isn't allowed but iframes are.
Upload index.php to a PHP server.
- url: URL to share
- size (optional): size of button (standard, small, medium, tall)
<iframe src="http://.../?url={Permalink}&size=tall" marginheight="0" marginwidth="0" frameborder="0" scrolling="no" style="border:0;width:50px;height:60px;"></iframe>
<iframe src="http://.../?url={Permalink}" marginheight="0" marginwidth="0" frameborder="0" scrolling="no" style="border:0;width:110px;height:30px;"></iframe>