The suggestion box is eBays Bermuda triangle. Suggestions sent there disappear without trace. :^O

As regards freedom of speech, DG is correct.  Australia has no explicit freedom of speech in any constitutional or statutory declaration of rights, with the exception of political speech which is protected from criminal prosecution though it is held to be implied and is part of International Covenant on Civil and Political Rights, to which Australia is a party. This page explain it much better than the one linked to above:

http://www.dfat.gov.au/facts/democratic_rights_freedoms.html