Please click the play button to start the video, after which move your cursor off the video to make all the controls go away. If you move your mouse back over the video, the controls will come back, and you can click pause to spend more time on any particular photo. If the video stops and starts for you, you can click Pause and wait for it to download fully (the light gray bar along the bottom will indicate progress) before resuming Play to watch the whole thing smoothly.