An electronic device includes a camera. While in a first media acquisition mode for the camera the device displays a live preview on the display. While displaying the live preview, the device detects activation of a shutter button. In response to detecting activation of the shutter button, the device groups a plurality of images acquired by the camera in temporal proximity to the activation of the shutter button into a sequence of images. The sequence of images includes: a plurality of images acquired by the camera prior to detecting activation of the shutter button; a representative image that represents the first sequence of images and was acquired by the camera after one or more of the other images in the first sequence of images; and a plurality of images acquired by the camera after acquiring the representative image.