Menu popup switcher styles

Hi.

I need three diferent backgrounds in the web page. The style swicher is perfect but i would like custom the design because is too simple.

I would like insert a article or a little popup as the login.

It's possible?

Thank you.

It seems that it is a bigger custom work which is beyond our support, because it needs and implementation of few additional scripts and css - popup script for the bg selector and script which will change the background using the user's choice + styling for the all elements.