Dbblast (Dust bunny blaster) is a utility that
automatically removes dust spots or "bunnies" from
JPEG images taken with digital SLRs. It can be run
manually or in batch mode from either a GUI or from the
command line. It supports user configurable
blasting threshholds and JPEG image save quality, and coversion from JPEG to PNG and vice versa. Dbblast also removes hot pixels. All EXIF data is kept in the output JPEG images.