Aside from being one of the lead engineers on Pownce she wrote parts of the OAuth spec as well as the standard Python implementation.
Why not comment on her engineering talents instead?
Inc and the rest of the tech press have featured plenty of less attractive people who get a professional photoshoot and come out on top. They don't get reduced to being successful because they are "hot" because they aren't girls.
While I know her looks haven't hurt her career I see HN as a place where people make more rounded comments than yours. Just because you can say it that way, doesn't mean it's worth saying.
[1] Notable women are presumably twice as scarce of notable people or either gender.
[2] One can only do so much with one's life, especially if one aims at being the best at something.