1. A mobile terminal, comprising: a display unit; at least one camera; and a controller configured to: perform a single shooting operation using the at least one camera for capturing an ordinary image, perform a continuous shooting operation using the at least one camera for capturing a plurality of images in the continuous shooting operation, generate an image cluster by combining overlapping portions among the plurality of images, and display thumbnails including at least one thumbnail of the image cluster and at least one thumbnail of the ordinary image in an image gallery mode, wherein at least one of a size and shape of the at least one thumbnail of the image cluster is different from at least one of a size and shape of the at least one thumbnail of the ordinary image according to states of images constituting the image cluster.