Fold the pieces as shown and insert the tab into the opening on side one.
Tape the two pieces together(with Merikan double stick tape) on the left side as shown in the photo. The image that you want to move from left to right in the card should be attached to the tab. (Cut the tab if it is too long for your image.) After you finish the card and are satisfied with the movement, tape the top and bottom of the card so that the card will not come apart being careful not to tape the moving parts.
The following are other views of the card.
I hope that you are successfully able to complete a moving card using my rather crude drawings, vague instructions, and unprofessional photos. Is it obvious why I don't do tutorials? LOL!