If you have an interest in creativity and art then here is one such effect you would like.

The application … Mozaik will help you to convert any image into a colorful mozaic on to the desktop.
Options include tile size, speed and the possibility to create and edit a list of your own images.
The included images were rendered with PovRay(tm).

Features:
– Tile size: You can decide the size of the tiles of the mozaic.
– Speed: Though this is dependable on the rendering size, but still you can defined up to an extent.
– Default images: Mozaik comes with a set of rendered images as default.
– Pick images: you can choose to have the saver display your own images. You can create and edit a list of BMP and JPG files.

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