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.
halftone, half, tone, pattern, dither, offset, dot, dots, rotate, rotation,

 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!
screensaver, wave, grid, hexagon, hexa, undulate, 3D, best,