Phiewer - Image Viewer - Phiewer is the easiest and fastest way to view your images, videos and even audio files.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
ImageGlass - You can use Image to view your digital images and photos of many different formats.
JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.
Universal Viewer - Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
IrfanView - IrfanView ... one of the most popular viewers worldwide.