You also get a lot of control over the way the screensaver displays. Change the delay between images,
or change from sequential to random order.
Most significantly, you can scale the images
to the size of your screen, or choose a fixed size. You can also sharpen the
images, or RESAMPLE them (resampling preserves sharpness when pictures are resized). Choose background
colors, or where the image is placed on screen.
with musical accompaniment, you also have options. Finally, if you click the
"Transitions" tab, you can change the ways the screensaver transitions from one
image to the next.