Back to the plaster of paris head from the alginate mould: I managed to get three out of the mould, but it is starting to deteriorate a bit. I think I could get another couple out at a push, but for the purposes of this test I don't really need to - it was all about what level of detail could be achieved and the practicality of using the alginate. Which, I think is pretty good. I coated one of them up with a bit of green latex for a nice goblin finish, and quickly made a few replacement mouths for the photos. I didn't want to spend too long on this though as this wasn't about having a perfectly finished model. But you can get the idea of where these might lead from these quick snaps: