Most of the time, characters in photos smile. However, the mouth shape may not be as natural as you might expect when characters talk in CrazyTalk. This is because the height of the lip corners. You may use the lip settings to level the lip corners and keep the mouth line as flat as possible.
After you apply a virtual mouth, you may modify the corners of the lips.

Leveling the Lip Corners
  1. Click the Teeth Setting button at the tool bar to access the Teeth Settings panel.
  2. Choose the Lips radio button.
  3. In the Lips corner section, adjust the position values of the Left Corner and Right Corner.

    Before adjusted

    Lip corners are adjusted

Closing Actor's Mouth