Originally Posted by Jim

On perspective, there is an artist named Julian Beever who has a bit of a reputation for using perspective. For example, here’s a piece of sidewalk art he did called Make Poverty History (That’s him standing on top of the world.):
http://users.skynet.be/J.Beever/images/globe.jpg

And here’s the same drawing from the artist’s perspective, showing what it really looks like:
http://users.skynet.be/J.Beever/imag...-wrongview.jpg