If a picture tells 1000 words, then what about moving pictures?
I’ve mentioned my ancestor (Leslie) Hay SIMPSON, who played the role of Ned Kelly in the 1934 film of When the Kellys Rode and then was lost at sea in 1937, soon after making the film Mystery Island on Lord Howe Island. The National Film & Sound Archive has many audiovisuals at http://aso.gov.au, including clips from Mystery Island. Hay Simpson can be seen in http://aso.gov.au/titles/features/mystery-island/clip2/ (he’s the drunk with the bottle).
However you don’t need an actor ancestor to find something interesting on film. World War 1 troops heading to the docks in Sydney can be seen in the 1915 footage at http://aso.gov.au/titles/historical/ww1-troops-embarkation/clip1/
Crowds at the opening of the Sydney Harbour Bridge in 1932 can be seen at http://aso.gov.au/titles/home-movies/farey-sydney-harbour-bridge/clip2/
Even educational resources are available. Excerpts from a documentary retelling the story of the Victorian gold rush can be seen at http://aso.gov.au/titles/tv/peachs-gold-eureka/clip1/
Have a look at the offerings on the Australian Screen website. Try entering a town or suburb name of interest, and see if there is historic film footage available. Think about the significant events in which ancestors might have been involved, and even if you can’t identify an ancestor, such historic footage gives you an opportunity to see things through their eyes – and isn’t that one of our goals of family history research?