How can I make a 2D standup gif or png?

Rather than a 3D import, to save time, I just want a couple 2D
"cutouts" of some graphics to put into a Croquet Space (w/o portal
frames).

I'm trying to use Croquet Jasmine in the manner described in this
Peter Isackson blog:
http://learningcircuits.blogspot.com/2006/02/build-better-flipchart-and-world-will.html

Cheers,
Darius