There are a number of threads spread around AYR discussing this cryptid, so I'll link to those here so we have everything in one central location.
In the meantime, here's a show that discusses the beast a little if you're not familiar with Australia's possibly most fearsome marsupial cryptid.
1. Is this a pic of a marsupial lion? viewtopic.php?f=52&t=3313&hilit=Marsupial+lion
2. Composite image and story by Paul McLeod (thanks Paul) download/file.php?id=5876&mode=view
3. Mention of the Thylacoleo by Neil Frost viewtopic.php?f=45&t=3404&p=33017&hilit ... leo#p33017 in the thread 'Do you believe them to be marsupial or primate?'
4. Thylacoleo Roadkill? thread: viewtopic.php?f=52&t=3224&p=19070&hilit ... leo#p19070
5. Mentions of the Thylacoleo viewtopic.php?f=45&t=2616&p=14632&hilit ... leo#p14632
6. Very short one 'Queensland Tiger' comment thread viewtopic.php?f=45&t=646&p=5129&hilit=thylacoleo#p5129
7. Mention of fox paw in scat of supposed Thylacoleo viewtopic.php?f=45&t=248&p=2273&hilit=thylacoleo#p2273
Please, if you have any great links to stories about this beast, feel free to add them here.