1. A method of controlling a mobile terminal, the method comprising: displaying an image on a touchscreen of the mobile terminal; searching at least one of audio candidates related to the displayed image from at least one multimedia file; displaying a list of at least one of the searched audio candidates, the list comprising a thumbnail corresponding to the multimedia file; receiving a selection of at least one of audio candidates from the displayed list; saving an audio of the selected audio candidates in association with the image; displaying an indicator on the touchscreen indicating the at least one audio candidate is saved with the image; in response to a first type of input of the indicator, playing the saved audio; and in response to a second type of input, adding a shortcut to a source content corresponding to the saved audio.