Backgrounds 是一款Mac上优秀的动态桌面壁纸工具，今天和大家分享最新的 4.0版本，具有6种主题模式：iTunes, Parallax, Video, Quartz, System，Time，可以在桌面上显示不同主题壁纸，小巧易用，很不错！
软件介绍
Your desktop, like never before.
Make your wallpaper more interesting and useful with 7 themes: Music, Parallax, Video, Quartz, System, Time and Web.
Includes a Notification Center Today Widget.
Includes 2 Screen Savers: Glass and Quartz X.
Hide your Desktop icons easily and enjoy your wallpaper. As it’s meant to be.
软件截图
