Re: Adding Legal Disclaimer to Login Page
1. To add anything to the login page, just edit the login.php or login-form.php in your template folder. Since the login form is just a tiny space, you might just have a small text link there to a full disclaimer file.
2. Yes, with the 0.9.0.4 version and the latest WordPress (well, 2.7 anyway), you can use one of these two solutions:
http://superann.com/2009/02/26/wordpress-26-27-bbpress-09-cookie-integration-plugin/