Ah this is the kit I was talking about, it's not the Intro to Rigging, it's the Character Setup one. http://www.digitaltutors.com/09/training.php?cid=96&pid=1292
This is probably the portal you were talking about: http://www.indiegames.com/blog/2009/09/freeware_game_pick_asciiportal.html Sadly, the website seems to be down (at least, for me).