Reader-added tags include "Mega-impulse", "One for myself, one for display, and one for making converts", and "One to enjoy, one to store away, and one for making converts".
The survey's got the right stuff today:
What would you want a plush toy of?] • Youmu's ghost half • Ran-shama's tails • Mamizou-san's tail • Kanako-sama's onbashira • Ventura
I know of the association between the word "Ventura" and UFOs (based on testimony by alleged UFO contactee George Van Tassel, apparently), but if this is meant to refer to a particular character or item named "Ventura", then I'm not sure who/what it's supposed to be. (I guess it could just mean a UFO (from Touhou:UFO, maybe)...)