One of the nicest things about CyanogenMod (from a cosmetic perspective, anyway) is support for hundreds and hundreds of community-baked themes on the Play Store and elsewhere. As opposed to a launcher theme or icon set, these themes are system-wide, and they can completely change the look of your phone or tablet in a few seconds. Custom ROMs often bake in a compatible theme system (see AOKP), and now the popular Paranoid Android family has done so as well.

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