1)   ACDSee Classic 1.0
ACDSee Classic is a fast, easy-to-use, award-winning image viewer from ACD Systems. You can view images and thumbnails in over 16 formats. Plus, you get practical tools for easy image conversion, cropping, and lossless jpeg rotation.

 2)   SBJV 4.0
Jpeg/gif/bmp/tga Image file viewer with slideshow, visual thumbnail index, one-click file categorization, catalog image generation, slideshow mode, encryption and privacy features, printing, and many more special features. Very easy to use.