there, I have a few issues / questions with the Q&A Plugin.

Hi there,
I have a few issues / questions with the Q&A Plugin.
1. If you submit an answer and are quitting the signup prompting window afterwards, the question appears anyways (and the name for the user is just blank). Why and how can I fix that.
2. Is there a way just to use the wordpress comment function for submitting answers (I don't like users forced to sign up). If they just could enter a freely chosen username would be good. Just as in wordpress comments.
3. How can I change the email adress from which the emails are sent to the users, notifying them of new answers? (Currently my private one from the wordpress backend is used, that really sucks.)

Please help me out.
Thanks!