Smooth Windows is an extension (native on PowerMacs) that replaces
the standard window moving code with a far cooler implementation.
First off, it makes it possible to drag the actual window without
erasing either the window contents or the desktop background. Smooth
Windows also includes features to constrain window movement to
horizontal/vertical axes, and a special precision movement mode where
all moves are scaled down when you need that one-pixel adjustment.
However, the real beauty of Smooth Windows lies in its
translucency effect. Provided you have the memory and the processor
speed, Smooth Windows will draw windows translucent so you can see
through while moving them around. This feature can be disabled
automatically based on window size or screen depth to avoid sluggish