This is not a standalone application.
You need the latest version of 3D Flip Clock & World Weather widget in order to use these themes.
To download the 3D Flip Clock & World Weather widget search the Android Market for ''3D flip clock droid27''. Once you install both applications and place the widget on your home screen, you can select one of the skins available in this package by opening the widget preferences (tap the minutes), tap Appearance settings, then tap Additional skins. Locate the theme pack in the list and tap it to select the desired skin.