Methods and apparatus for compositing multiple video streams onto a background image having at least one object while keeping at least one of a proper perspective, order, and substantial alignment to the object of the multiple video streams based on the rules of a common layout. The subsidiary circuit board includes opposite sides. Positioning of the incurvate spine within the elongated body uniformly distributes static and dynamic loads throughout the magnetic vehicle rack. In the meantime, if a phone number is input which is identical to the displayed phone number of the service provider, the mobile terminal allows a normal outgoing call only to the phone number of the service provider.