Step:
Use File Menu and Import. Import your first image to your stage.
Step:
Click on your image and go to Modify -> Bitmap -> Trace bitmap
Step
Right Click any where on your time line and insert a keyframe
step
Delete your image
step
Now let's import the second image, by giong to File->Import
Step
Click on your image and go to Modify -> Bitmap -> Trace bitmap
step:
Right click any where between your first and last frame and from properties select Tween->Shape
Step:
If you see an arrow line on your time line, You are done…. Good Job
Step:
Now test your movie by click on Control Menu and Test Movie or Keyboard keys Ctrl with Enter