Your buttons and scrollbars are part of your gtk, or kde environment theme, not your emerald theme. emerald replaces metacity, and is limited to the top bars of all windows.
I am however interested: What gtk theme are you using here? (to the artist / author of this submission)
:origin()/pre00/808e/th/pre/f/2008/066/0/2/february_2008_desktop_by_phunkycow.png)
:origin()/pre00/22aa/th/pre/f/2007/172/a/2/june_desktop_by_phunkycow.jpg)
:origin()/pre00/0943/th/pre/i/2007/313/5/1/azurite_darkmod_by_phunkycow.jpg)
I am however interested: What gtk theme are you using here? (to the artist / author of this submission)