Some embodiments provide a graphical user interface (GUI) of a media-editing application. The GUI includes a composite display area for displaying a set of media clips that define a composite presentation. The set of media clips includes a particular media clip which includes several different groups of ordered clips that are selectable for use in the composite presentation. The GUI includes a preview display area for simultaneously displaying video images from several of the different groups corresponding to a time in the composite presentation. The displayed video images in the preview display area are selectable to determine which of the groups is for use in the composite presentation.