Ok so this is what I got...
Code:
<a href="https://twitter.com/share?url=$vboptions[bburl]/showpost.php?$session[sessionurl]p=$post[postid]&postcount=$post[postcount]&text=$thread[title]" target="_blank">Tweet</a>
Add anywhere in postbit/postbit_legacy template should work.
Breakdown
The single post page link:
Code:
$vboptions[bburl]/showpost.php?$session[sessionurl]p=$post[postid]&postcount=$post[postcount]
Thread title variable:
target blank to open in new window: