Yes, it can use your current vB verification. However, if you wanted to do this now, then it would require a lot of code change.
Go here:
http://www.paulsonny.com/forum/helpc...p?do=newticket
You will see extra_options -- that is where most of our options are going, as you can see, I just finished doing the attachments, still more work to do. Also, we are going for better integration - such as using your vB postbit in tickets.