It produces periodic, tileable images based on user-given or randomly generated color factors values. RainbowGround can save resulting images as Web background (*.jpg) or as Windows background (*.bmp).
PhotoCleaner performs sequence of operations that are usually done manually using some general-purpose image-editing program. The main difference is that it does it automatically. Features: Levels adjustment, Resize, Vignette, Color boost, Sharpen...