To enjoy Kaleidoscope schemes, you must have a Mac and the Kaleidoscope control panel (available at Kaleidoscope.net) This wonderful control panel will allow you to change totally the look of your Finder (icons, windows...).
To download a scheme, click on the Apple. StuffIt Expander is needed to unstuff the files.

Check also the legend or the help page to be sure you have the right version of Kaleidoscope.