A method for slide shows. The method includes receiving one or more video content element and one or more image content element that are each associated with a respective audio track, where a first video content element includes a corresponding first audio track and a second video content element includes a corresponding second audio track that is disabled or non-existent, receiving input selecting a background audio track for the slide show, and automatically integrating the video content element, the image content element, and the background audio track together into the slide show, where the background audio track is played during playback of the slide show when the computing device detects that there is no audio signal generated by another audio track in the slide show.