Membership Registration from not visible?

I have few problems in working with the membership plugin
1. Registration page don't have registration form. There is link saying subscription and straight way goes to paypal . How can add add customize registration form?
2. Unable to place the "Membership log in widget". when i place it in my sidebar it ask for a redirect link. When i place it on the top of side bar it and all the other widgets which are place below are disappeared. What page link should i put there? how to make that widget working?