Toby, if you're living in Perth, you are within a 40 minute drive of DMT containing plants. And not just one or two of them. A little research will lead you to a certain Acacia strain that can be found growing in the thousands in this state. There are underground ceremonies run I believe, but getting in is by word of mouth so in the meantime I would learn as much about your local plants as possible and hopefully everything will fall into place for you.