Sometimes, it is just fun to play with your money. Rather than stacking them like dominoes, this person using Lincoln cents to create a portrait of Lincoln. From the maker of the video:
I used 1,702 pennies to make a portrait of Lincoln. Sorting the coins took about seven hours, and making the image took just under six. May 2005.
My only question is how did he deal with oxidation of the copper? Click the play button at the bottom left of the video display to enjoy.