Action Round
This action creates rounded corners, which is nice for online images or thumbnails.
Radius
The radius of the rounded corners.
Top Left Corner
Top Right Corner
Bottom Left Corner
Bottom Right Corner
You can specify for each corner seperately if it should be rounded, square or cross. Cross means that a square of the size radius is left out of the corner.
Background Colour
The background colour behind the rounded or crossed corners.
Opacity
The opacity of the background.
