Send free members to welcome page

URL http://www.alumniclubny.com

Versions
WordPress 3.5.1
Membership 3.4.3.1
PHP Version 5.2.17
MySQL 5.5.30-log

When a basic member first signs up for an account, they are taken to a page that prompts them to sign up for the paid membership (without first bringing them to the Welcome Page). I think that this is confusing – is there a way to just bring them to the welcome page?