In the menu area click "Choose" image to make mosaic from.

ENGADGET: How-To: Make your own photo mosaics

An impressive domed ceiling, gold-leaf detailing, mosaic flooring, sculptures and majestic chandeliers make Corinthian Club an awesome five-floored venue.

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As a bonus tip for the advanced user, you can also open up PhotoShop or GiMP and overlay the original over the mosaic and alpha it out a bit to make the image pop a some more.

ENGADGET: How-To: Make your own photo mosaics

X3 sensor should be cheaper to make than existing sensors, because there is no need to go to the trouble of laying down a mosaic on top of it a process that can require as many as 24 separate manufacturing steps.

ECONOMIST: MONITOR