This is a free picture viewer for viewing and browsing images. It displays images in high quality and you can use it to browse, view, and print images. It lets you set wallpaper with the image you selected.
All major graphic formats are supported, including BMP, DIB, JPEG, GIF, animated GIF, PCX, TIFF and TGA.

This also has image processing functions including: Brightness
Contrast, Color, Negative
Threshold, Smooth ,Sharpen
Solarize, Add noise,
Maximum,Minimum,Middle
Mosaic,3Dgrid,Emboss
Sketch,Crayon,Film grain
Splash,Motion blur,Fisheye,Twist
More info:
hxxp://www.focussoft.net/