Software
SageThumbs
SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats...
Thumbico
Thumbico displays and allows saving the thumbnail or icon of any file, image, document, video or...
Batch Icon Extractor
Batch Icon Extractor - a simple tool for batch extraction of icons. Supports compressed Vista icons.
Pictus
Pictus is a fast, free image viewer that enables Windows to see thumbnails of supported formats, such as PSD. Give it a spin today!
IconViewer
Bot Productions's IconViewer utility allows you to view, copy, and save the icons in a file through its property sheet.