IrfanView is a very fast, small, compact and innovative freeware (for non-commercial use) graphic viewer for Windows 9x/ME/NT/2000/XP/2003/Vista.

Features:

* Preview option
* Drag&Drop support
* Fast directory view (fast moving through directory)

This free software designed to help you organize and view multimedia files (images, audio, and video). It gives you the ability to watch movies, listen to music, and view graphics in a slide show. Image files in a folder can be displayed using a number of views, including a thumbnail view that lets you quickly see what your images are without having to open them. You can convert graphics from one type to another, print, and create HTML album.

FastStone Image Viewer is an image browser, viewer, converter, and editor with features including resizing, renaming, cropping, color adjustment, watermarks, and a broad array of other image-managing features. It also provides quick access to EXIF information and a thumbnail browser via hidden toolbars that emerge when you touch the edge of your screen with the mouse.

XnView is a multi-format graphics browser, viewer, and converter. It can read more than 400 file formats, e.g. gif, bmp, jpeg, png, targa, multipage tiff, mpeg, avi, quicktime, and many more.

Vallen JPegger is the international, handy, and full featured image viewer, which shouldn´t be missing on any PC.

Now in 20 different languages including full Unicode language and file support. It is designed for large image libraries with thousands of files.