When running OS X Leopard, many people are annoyed by the glass dock provided by default. There are several applications that can be downloaded to remove this but we found a very easy way of removing the glass dock. In a shell type:
defaults write com.apple.dock no-glass -boolean YES
Next, it is time to remove a couple of files. Type the following:
Delete the glass dock images by typing:
sudo rm -Rf bottom*.png
Now it is time to restart your dock:
That is all!