Aperture's Retouch tool has both "Repair" and "Clone" modes to help you tackle a variety of imperfections. In this screencast, Derrick Story shows you how to use the Repair mode for removing spots, such as sensor dust. He then demonstrates the Clone mode for larger cleanups.
This screencast was recorded at the Lynda.com studio in Ventura, CA. It is part of the Aperture 2 Essential Training title that features more than 60 movies totaling 5.75 hours of video training. This particular episode is made available exclusively to Inside Aperture readers.
Control-click to download this screencast (mov file).