Linux has so many customizing features, you can make your system look as individual as, well, you! For instance, one neat little trick is to change the background of Konqueror.
If you take a look at the above screen shot, you'll see how easy it is to change backgrounds in Linux. Select View>Configure Background. Then, navigate to the image you wish to use or select a color from the palette.
I'm using an image from the upcoming movie Horton Hears A Who.
I modified it a bit using Gimp so it wouldn't appear so cluttered.
You can use photos, colors, wallpapers, etc. Images can be large or small. Konqueror will tile the image as Konqueror's window grows larger or you scroll through file lists.
Customization is one more reason why you should get Linux!