I said "Let there be motion." and there was. Select a frame somewhere between the start and ending frames of your top layer. Hold down Shift and do the same to all of your layers. Check Figure 1.4. Click Insert> Create Motion Tween.
Figure 1.4
Step 10:
So beautiful it brings a tear to my eye. Drag your time slider back and forth to view your handiwork. Don't like it? Undo a few times and try again. Come up with something cool and send it to me. =) Have fun.