Experimenting with art nudes grew out of my traditional work with women in general.
My photographs tend to be mostly unprocessed. As with any quality image, it is impossible to avoid some level of manipulation -- usually adjusting color balances and toning slightly, a little bit of cropping, dust removal, etc.
However, I will note with pride that all of the unique effects I've achieved have been accomplished by careful understanding and control of the light and camera, not through later editing in any sort of software package.