Image Fiddler is a nifty utility that helps you view a large image in a small window by either stretching it to fit or by allowing you to scroll around the image using the mouse. You can open a large graphic file which you can view in full as stretched then click on a particular point of interest to view just that area. You can fix the view at any time by using the menu.
The application gives you the ability to copy or save the full size graphic. This allows you to evaluate reduced size copies for use as thumbnails for example. The application supports a range of formats including Bitmaps, JPEGs, GIFs, PNGs and Metafiles.