How can I improve my enclosure

I don’t like how my enclosure is right now but finding materials is a bit of a struggle we don’t have cork bark in Australia or drylok and we don’t have a oven big enough to bake most branches lizard in the enclosure is a varanus tristis tristis

I don’t like how my enclosure is right now but finding materials is a bit of a struggle we don’t have cork bark in Australia or drylok and we don’t have a oven big enough to bake most branches lizard in the enclosure is a varanus tristis tristis