Used to give the effect of one image being overlaid on another, rather like a mirage.
[Center] field
The center of the effect is displayed. The position of the center is specified by dragging the mark, provided in the dialog preview display.
[Position] field
The radius of the effect is displayed as a number of pixels. The radius is specified by dragging the mark, provided in the dialog preview display.
[Shape] button
Used to specify the shape of the images. You can specify either collinear or concentric circular.
[Overlaps] field
Used to specify the number of image overlaps with an integer between 1 and 20.
[Strength] slider
Used to specify the strength (density) of the multiple image effect with an integer between 0 and 100.