Make the server larger and properly handle dimensions
Add a better background

The old Mac OS background didn't work as well as I thought it would.
Clean up the expose task code

Remove some lines
Hide the debug canvas by default

This was slowing Firefox down.
Draw a fake terminal window

This is to be better than programmer art.
Optimize wallpaper

Since we're not repeating the background any more, we can use a quick
drawImage call.