I actually don't know Son of a Beach.  (???)

Hoo boy.  I asked the Batgirl experts at www.66batman.com, and now I have a whole slew of suggested tweaks.  The mask needs work, the cheekbones, the cleft in the chin is too pronounced, the jawline a bit too squared.  The hips are too high and need to be lowered.  The emblem on the belt is not wholly accurate and the seams in the suit are either not emphasized enough or are inaccurate.  The color of the cape collar is wrong; it shouldn't match the cape.  The eyes should possibly be larger and more cat-like.  She has "cankles" (a wonderful new word for the day, apparently meaning "thick ankles").  And two dead pigeons in the water tank.

Hoo boy....  :-P

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.