Is there some better method of creating a hairstyle like that of the female dancer, rather than drawing each colour area as a separate path?

Also, though the shadows look fine to me in inkscape, opening the svg in a browser or image viewer seems to ruin them. Is this being caused by the blur effect?
The svg is here http://dl.dropbox.com/u/25419424/working%20images/Ballet_couple_latest.svg if you want to see it. The top of the ballerina's costume is a transparent construction, designed to be invisible to the audience during the performance, but the fabric is a bit lighter than her skin, so in smaller versions of the image I think it looks like a highlight area.
The dancers will eventually be on a stage, with a dark backdrop, and spot light shining on them, as part of a learning exercise titled "Create a dramatic promotional Poster or advertising illustration" I chose to create a promotional poster for The ballet and used photos by Johan Persson as references.