Archibald's Free Puzzle 

An amusing, easy-to-play puzzle with several levels of difficulty. Easy installation and rules. The puzzle image can be chosen from among several themes (aircraft, cars, etc.) Autosave, background music, and help on the puzzle image during the game.
logical combinatorial game fun kids children original puzzle puzzles

Mozaik 

Mozaik takes your images and turns them into a colourfull mozaic on your desktop. Options include tile size, speed and the possibility to create and edit a list of your own images. In v1.1 the option to choose from different patterns is added.
mozaic graphics