I think even if we become a republic we should not change our flag we've come too far and means so much to so many is strongly recognised world wide. I think the aboriginal and torris straight flags should be officially recognised as they currently are not official flags they should be treated like state flags. If we were to change the union jack replaced with the red and black but instead of the sun in the middle the white head thing from the torris straight flag should be there. That way both first Australians get recognition as well as our federation star and beloved southern cross