Screen Gear Screen saver, image viewer and slide show software toolkit. http://www.screengear.com.gu/

Opus Software Goldberg is a freeware image and movie viewer, with image editing capabilities and support for applying QuickTime and other effects. http://www.opus.plugin.ch/freeware/g2/

GraphicConverter Imports 145 graphics formats. Converts to, and outputs, 45 graphics formats. http://graphicconverter.net/

ACDSee Graphic converter and image viewing application for Mac OS X. http://www.acdsystems.com/English/Products/ACDSeeMac/index.htm

Bobby Cronkhite Software - ZeboPhoto Picture viewer, slide show and photo editing software with a file browser and basic word processor. It has print templates, screen capture to image or PDF, system information and a moviemaker. http://bobbysoftware.com/