Ratio:

1:2

Description:

A centred Southern Cross on a blue field, filling the area to the left of the line that is stretching from the lower midpoint to the upper centre-right. The yellow stripe, stretching from the lower midpoint to the upper-right corner, is covered partially by a green cut-off stripe, which fills the area from the lower centre-right to the upper-right corner.

Symbolism:
The Southern Cross represents the location of Australia in the Southern Hemisphere.
The blue field represents the Pacific Ocean and the means by which the ancestors of the European Settlers came to Australia.
The yellow stripe represents the vast desert and the homeland of the Aboriginal peoples.
The green stripe represents the fertile plains of our nation.

Other Notes:

I may be emailed at jordvr@gmail.com for the svg version if necessary, as there is no form to submit it here.