“Quiver” Effect
If you want an object to shake with slight trembling motion use this effect. The duration option regulates the speed of the iterations. You can change the angle and scale of quivering objects by designating appropriate values in text boxes.
General
Duration : This option controls duration of the animation in seconds * 10.
Angle
You can use this option to change the angle of quivering.
Scale
Scale : Scale option is used for scaling up or scaling down objects. You can set the scale at half time too.
Text
This option is only available if you are working with text.
Frame delay : Sets delay between frames.
Text Color
This option is only available if you are working with text. Select brush type and control separately brush colors. You can also control pen color and pen width.
Two default presets are also available. Check the lower left corner in the Effects window.