1. A system for halftone screening comprising: means adapted to receive image data having a number of tonal levels representative of a continuous tone image; a memory including a look up table (LUT), the LUT including, each of the number of tonal levels, and a number of alternative halftone cell arrangements for each tonal level; and means adapted for communicating the image data having a tonal level to the LUT, and randomly selecting a halftone cell arrangement whereby a halftone output is generated therefrom.