A number of people have said how much they enjoy the js_greasePencil script I wrote a while ago, but they’ve been having trouble downloading the movie that shows how it works.
So I uploaded the movie to youtube and put it on the downloads page. You can also see it here:
Some day I’d like to re-write greasePencil so it’s actually got good drawing tools and isn’t such a hack.. but I probably won’t get around to it for a while. Of course, if Autodesk wrote it appropriately for integration with Maya, that would be AWESOME, too. 🙂