The biggest thing about the puppet is making sure it's not incredibly top heavy (since the puppeteer can easily knock it over from below. My main concern with the stand isn't the way the base on camera looks as much as having a base that has enough bottom to keep it from toppling over. The drawback is that it also has to be portable since it stands directly on a concrete floor -- making it impossible to secure it in place.
I think I have a design in mind now -- but until I build it, I have no idea if it'll work. Oh well. Hasn't stopped me, so far!