Thank you for your review

SmoothStripes

ShapeShifter theme improves Aqua interface.

Free

SmoothStripes has been discontinued

SmoothStripes is a ShapeShifter theme that improves Aquas appearance by refining parts of the GUI. These are the changes over regular Aqua:

Removes stripes.
Metal style from iTunes 6 applied system wide.
Improves Titlebar buttons.
Option to make titlebar buttons Blue.
Improves scrollbars to a more crisp Aqua style.
Improves progressbars to a more crisp Aqua style.
Improves small and large Round Buttons to a more crisp Aqua style.
Improves bevel buttons to a more crisp Aqua style.
Improves Small Push buttons (like in the Finder copy dialog) to a more crisp Aqua style.

An alternative to using
More...

Version 5.1.2:

Compatible with 10.4.5 and iTunes 6.0.4.
Moves the small round button down one pixel to better align with glyphs being overlayed on it (check Mail.apps Smart Mailbox dialog for a good example).