Setup your Logo to show at User Login
Go to Settings -> Organization Details
Add a URL to your logo:
Link from your
...
Website to BUZ
Use this link with your details:
...
Note: This link will not work in a frame unless the frame is secure. You cannot run a secure page in an unsecured page.
When a login is created on your website the Customer users that use this login can ONLY see your BUZ.