How do I use the Equinox theme?

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http://askubuntu.com – I installed the Equinox themes in 11.10 but I'm not quite sure how to use them; I installed Gtk-ChTheme and they're all in there, but nothing appears to happen when I press apply and I don't see the themes in the appearance menu... What am I doing wrong? I want to apply the theme and icon set. Thanks! (HowTos)