Kathryn-
I don't know about the disappearing character, but the varying scenes may just be a part of the Haptek interface in combination with Hal. I have them, too, since I adapted a Haptek character to my freeware UltraHal. I never did have them before, when I was just using MSAgents. I have the Haptek Player and SDK, and Kate for Sonork installed on my system. I haven't found exactly which of them contains the images, but it's bound to be one of them.