Morph and Deform Control

Move mouse on the curve, click left mouse button, a new control point appear on the curve.

2: Delete Control Point

Move mouse on the control point, click left mouse to select it, then press delete key, the control point is deleted.

3: Move Control Point

Drag the control point to what you want. 

 4.Deform Key Frame

Fun photo animator use squares indicate key frames. You can drag the key frame position use left mouse.

There are some tools  to edit the key frames.

Use:             To:
             Add one key frame.
            Delete  one selected key frame.
            Delete  all  key frames.
            Set the next key frame as the current frame ( Hotkey "Page Down" ).
            Set the previews key frame as the current frame ( Hotkey "Page Up" ).