CrazyTalk for Skype offers you three video display options:
Web Camera: The default display mode of CrazyTalk for Skype is Avatar Mode. Click Web Camera to switch to the web camera video, and you will see the video preview from your web camera.
Avatar: Display the Avatar Video. You can choose an avatar as yourself and use your microphone to drive the lip-syncing.
Media: Sharing media files and desktop activities.