1)   Halftone 2.0
PhotoShop plug-in for dithering images with a halftone pattern. Halftone patterns are used to dither photographs and other shaded images in newspapers and are a popular effect in graphics design. Configurable, anti-aliassed results.

 2)   Hexa Screensaver 1.4
Realistic 3D waves which undulate on grid with hexagonal cells among with smooth camera motion and color changing produce stunning views on your monitor!