iChat Icon   Changing the size of the video chat window

You can resize the video chat window, resize your preview image, or fill your entire screen with the video chat.

To resize the chat window, drag the bottom right corner.
To fill your entire screen with the chat window, choose Video > Full Screen.
To resize your preview image, place your pointer over the innermost corner of the image window and drag to resize it.

You can also use the button with double arrows, located at the bottom of the video chat window, to switch between normal and full-screen modes. When you're in full-screen mode, the button appears in your preview image window. Click it to switch back to normal view.