I have been sitting browsing around the internet and came across:
http://www.lowcarbon.co.uk/home 
If you then click on the section 'Earthship Brighton' (UK) and follow the link at the bottom of that page:
http://www.lowcarbon.co.uk/earthship-brighton/earthships 
it gives a very interesting tour of all the features of the building. I don't know much about 'Earthships' and I am very interested and plan to visit the Brighton one if I can. Moving on, if you go to:
http://www.earthship.co.uk/rent-an-earthship.htm 
there's a better image of it, plus one in Scotland - both are community centres. At the bottom of the same page there are links to:
http://www.earthship.net/ 
which is the website for the people in Taos New Mexico who first developed this architectural concept. Are there any of these type of buildings in Australia, does anyone know? 
 
Deb - (presently in UK, owner of lot 112, ..... fast becoming 8 Tetragonia Walk)