Both the work of Carl Jung (CW 9ii) and Vedanta (Adi Shankara and the Upanishads) agree: the deity image represents the inner Self. In Vedanta, the deity image represents the innermost Self (Ātman)
In my last post, titled Fires of knowledge: Ashes of wisdom, I spoke of ash as a symbol of Shiva, and thus of the supreme Self. In that post, I drew from a passage from the Brahmanda Purana. In this post, I am going to share more from the Brahmanda Purana (Chapter 27). In the story, Shiva makes a strong statement concerning his own nature, and thus the nature of the supreme Self.