A mobile terminal, comprising: a display configured to selectively display a first background screen or a second background screen, the second background screen including an object; and a controller configured to: detect receipt of a selection of a plural number of images for use as a plural number of background images of the second background screen; control the display to display a first of the selected images and a preview screen of the second background screen together such that the preview screen occupies less than an entirety of the display and at least a portion of the selected first image overlaps the preview screen and to control the display to display a second of the selected images and another preview screen of the second background screen together such that the another preview screen occupies less than an entirety of the display and at least a portion of the selected second image overlaps the another preview screen; set the at least a portion of the selected first image as a first background image of the second background screen and set the at least a portion of the selected second image as a second background image of the second background screen; and control the display to display the second background screen including the first background image when a drag input or flick input by one finger is sensed on the display in a state the first background screen is displayed, and control the display to display the second background screen including the second background image when a drag input or flick input by two fingers is sensed on the display in a state the first background screen is displayed, wherein the preview screen comprises at least an outline of the object included in the second background screen. a display configured to selectively display a first background screen or a second background screen, the second background screen including an object; and a controller configured to: detect receipt of a selection of a plural number of images for use as a plural number of background images of the second background screen; control the display to display a first of the selected images and a preview screen of the second background screen together such that the preview screen occupies less than an entirety of the display and at least a portion of the selected first image overlaps the preview screen and to control the display to display a second of the selected images and another preview screen of the second background screen together such that the another preview screen occupies less than an entirety of the display and at least a portion of the selected second image overlaps the another preview screen; set the at least a portion of the selected first image as a first background image of the second background screen and set the at least a portion of the selected second image as a second background image of the second background screen; and control the display to display the second background screen including the first background image when a drag input or flick input by one finger is sensed on the display in a state the first background screen is displayed, and control the display to display the second background screen including the second background image when a drag input or flick input by two fingers is sensed on the display in a state the first background screen is displayed, wherein the preview screen comprises at least an outline of the object included in the second background screen. detect receipt of a selection of a plural number of images for use as a plural number of background images of the second background screen; control the display to display a first of the selected images and a preview screen of the second background screen together such that the preview screen occupies less than an entirety of the display and at least a portion of the selected first image overlaps the preview screen and to control the display to display a second of the selected images and another preview screen of the second background screen together such that the another preview screen occupies less than an entirety of the display and at least a portion of the selected second image overlaps the another preview screen; set the at least a portion of the selected first image as a first background image of the second background screen and set the at least a portion of the selected second image as a second background image of the second background screen; and control the display to display the second background screen including the first background image when a drag input or flick input by one finger is sensed on the display in a state the first background screen is displayed, and control the display to display the second background screen including the second background image when a drag input or flick input by two fingers is sensed on the display in a state the first background screen is displayed, wherein the preview screen comprises at least an outline of the object included in the second background screen.