Besides the straight photography, there is a need to show the range at which work can be used to convey a feeling or theme. In advertising, a look must be adjusted at times to add a dream-like style, as the client desires. One photo can be made into many styles as needed.
Fantasy, Art, Website, and printed Advertising; all have a market for a model to contribute their craft within. The days of just focusing on being a "Runway Model" is long gone.