The word vignetting is used to indicate an unintended darkening of the image corners in a photographic image. It is a common problem due to the use of improper attachments to the camera lens. Vignetting Reducer is a simple tool for reducing vignetting in digital photos.
Another programms: LDS_dFA.Covers.17 - Adding to the programs FlipAlbum and FlipPublisher FotoTagger - Annotate images; publish to Flickr, blog, Web Quick Slide Show - Creating Flash slide show, screen savers. biGPics - panoramas and maps to iPod PixExpose - Create and publish photo albums on the Net Solid Capture - Screen Capture and Image Sharing Toolkit Vignetting Reducer - Reduces vignetting in digital photos