1)ABN- www.ato.gov.au (it's free register as a sole trader)
2)Charge GST?
3)Register business name, www.ors.act.gov.au
4)Business account.
5)Contact information, land line, PO box, website, blog, face book, email (domain name).
6)Logo, business cards, broaches, marketing (twitter?).
7)Portfolio presentation (printed/digital),CD, album, portfolio (what images do you bring?).
8)Insurance- public liability, equipment.
9)Products?
10)Relationship with suppliers.
11)Manufacturing and advertising.
12)Join a professional organization like the AIPP (get cheaper insurance).