This is a His Dark Materials desktop theme that you can download (Only for Windows users, sorry I don't really know much about Macs). It comes with:

Icons for: My Computer, My Documents, Network Neighborhood, and the Recycle Bin.
A Lovely Background
Sound Effect for when the Recycle Bin is emptied.
And detailed instructions on how to set the theme up!

Example below:

(my computer takes really bad screen shots)

To Download your copy of the His Dark Materials Desktop Click here
NOTE: WHEN YOU DOWNLOAD THE ZIP FILE, CREATE A FOLDER CALLED "dmtheme" AND UNZIP FILES THERE!