Skinning your ceiling and wall
Because . .you know . . you can
http://www.theskyfactory.com/index.php
For about three years I worked in an office that had been converted from two large closets. The space was supposed to be temporary but it obviously wasn't.
The team worked on folding tables with power strips and cat5 cable hanging everywhere. It was grim.
To make life a little better, I grabbed a few 486 PCs that weren't doing anything and installed Aladdin Sundial to act like windows to the outside world. This was an amazing app (at the time) in that it used time lapse photography synced with the system time as a wallpaper.
So it looked like we had windows to Hawaii on a few walls.
Unfortunately, the views were all the same, and we were not in Hawaii.
The Sky Factory has done something similar with static images installed to look more naturally part of the environment. They have a number of different ceilings and "windows". Pretty cool stuff.
All they really need is to make them dynamic (and cheap) for me to be sold.
I'm hoping that at sometime in the future, there will be a Natural Desktop-like dream and then we'll see some magic!
If you work in a windowless environment, how do you cope?