I'm really excited to see what Nicky is going to look like when she's finished! I think the Plummy is going to be great, and I think an updo will be good as well, seeing has she has such a large forehead! Wonder what they did that for. (?)
If you haven't started already, I found a tutorial on customizing petites and the scalp opening looks similar:
She uses the Xacto knife to cut that part of the scalp off, being careful not to cut all the way through:
Hope it helps, at least for next time!
I also found a great new Blythe blog, Rosie Apples and Friends. Sometimes her girl Parkin blogs! Definitely check it out!