Here is the freeware image viewer that i use.

More info. below the video.

FastStone Image Viewer 4.6 Freeware (Last Update: 2011-06-29)

An image browser, converter and editor that supports all major graphic formats including BMP, JPEG, JPEG 2000, GIF, PNG, PCX, TIFF, WMF, ICO, TGA and camera raw files. It has a nice array of features such as image viewing, management, comparison, red-eye removal, emailing, resizing, cropping, color adjustments, musical slideshow and much more.