A new Illustrator CS 5.5 monochrome

landscape in greys, a surreal landscape in monochrome grey, with houses is the clouds
landscape in greys, created with Illustrator CS 5.5

Swirls, shadows & gradients

Shape consisting of rectangles, ellipses, circles, shadows and gradients, black, white and shades of grey
Squarisch, blackish-white-ish, with circles, and ribbons