Layer Settings
In layer settings, you can adjust the buffer size to position or even adjust the default proportion of a singing face. In this example, you can make the pumpkin look taller or shorter. You can use the buffer size to adjust all images & faces on your matrices.
Color Settings
In color settings, you can adjust the hue value to change colors of any image or singing face. In this example, you can see how adjustments to the hue setting dramatically change the look of the pumpkin.