There are two major assumptions build into this question. First, that your audience will “resist” your story. Second that they need to be deeply in an altered state to get the message.
I would challenge both of these assumptions. One of the main reason why stories are so effective as vehicles for suggestions is that they are gracefully indirect. A story is always about someone else, its just that, the way the mind works, in order to understand the story the audience have to connect with their own experiences (the magic of “transderivational search” as all you NLPer’s will recognise). The meaning they take from the story is something that arises in their own thinking, it is not imposed by you and most people do not resist ideas that arise from their own thinking. Why should they? It was their thought in the first place.
The other day I was walking into my local bank branch and as I put my hand out to open the door I clearly saw the word P.U.S.H stencilled onto the glass and naturally I pushed. Nothing happened. So I pushed again. Of course then I realised that actually the stencil read H.S.U.P- It was stencilled on the other side of the glass!! I had unconsciously just reversed the order of the letters, ignored the fact that they were mirror images anyway and acted on the command.
Stories don’t push. They pull :-)