Making a Picture Fade In/Out

If you want to make the main picture in your SuperStory fade in or out completely, the trick is to place the relevant animation twice in the action timeline for the whole page (accessible by pressing the clock icon at the screen):

Placing the animations in two seperate boxes like shown above will make the effect last 2 seconds - placing them both in the same box will make the effect happen quicker (i.e. in 1 second).