Check Out www.mygrants.us/answers - where I've implemented the script.
However I'm interested to know, how can I put the add-this button code to be able to display the share button under every question's title on the home-page as well as on individual question page. (under the question's title) ??
You'll need to use an advanced theme, see http://www.question2answer.org/advanced.php
But it looks like you already did that...
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