The dialog allows selecting which parts of the theme to apply to your current settings.
Applies the theme colors to your colors settings.
Applies the theme user/emote/system/ctcp message prefix settings.
Applies the theme fonts settings.
Applies the theme emoticons settings.
NB, all current emotes are removed.
Applies the theme sounds settings.
Applies the theme nick color settings.
Applies the theme background image settings.
Applies the theme icon settings.
Applies the theme nicklist icon settings.
Applies and loads the bundled theme scripts.