adobe image viewer

Image, slideshow, wallpaper viewer, and recorder.

Goldberg is a freeware image and movie viewer with image editing capabilities

PhotoKit Sharpener is an image Sharpening Workflow for Adobe Photoshop for Mac.

Lightweight image browser and viewer.

Elegant, borderless image and movie viewer.

Crossbow is a lightweight image browser and viewer for Mac OS X.

BITcom Xsee is a native Mac OS X image browser and viewer