TL:DR; TIF (TIFF), PDF, EPS, AI, FAX, DCX viewer.
TIF, PDF, EPS, PS, AI, FAX, DCX viewer. Allows to view, scan, print multipage files. TIFF Viewer can remove noise, deskewing image, color adjust, add margins.
PhotoEchoes is a digital Kaleidoscope that generates awesome images based on photographs stored in your computer. It can run as a standalone program or as a screensaver. With the ability to capture and save the images and tileable patterns and video.
Able Photo Slide Show is a program designed to display all images as a slide show using many transition effects, each image being shown for some predetermined time before going on to the next. Program allows to browse, edit, convert and print images.
Instant ThumbView is a tiny image viewer that displays image thumbnails in a tooltip window when mouse pointer is hovered over an image file in Windows Explorer. It supports a lot of popular image file formats, including BMP, GIF, JPEG and so on.