Yep, you can do it using conditionals.
In the postbit template at the very top put this:
HTML Code:
<if condition="$post['postcount'] == 1">
Then at the very end put this:
Then after that grab all of the code from the postbit_legacy template and through in at the end of the postbit template then after it all put this:
There ya go. :-)
Just did it myself on my forums, example:
http://forums.theglassprison.net/sho...=79&styleid=36