rosemary taylor approached photographer nelson jones at a city festival .
jones was taking pictures of a black and an asian model for tourism shoot .
taylor apparently told photographer : ` this is not the image i want for city '
moments later , models and jones were asked to leave event by city official .
taylor sacked by city of brookhaven in georgia for ` unbecoming conduct '
she has defended herself , saying she was wrongly accused in the incident .