> When I login and go to Admin | General, and set the 'Theme'. The change works for everyone else who logs in, except me.
> As soon as I browse to another page, it reverts to the default, blue one.
> Even though the setting is definitely saved... only me why ? ;-)
Because you have a style applied through your MyTiki->Preferences page. This user selected style overrides the global one setup on Admin->General.
As per my other post you will need to remove the line for the user from tiki_preferences table.