Check out hscguide.net there's quite a few free UMAT papers and we're trying to keep updating! All you need to do is post on the forums in order to download the resources
I know of someone currently doing an undergraduate degree in psychology and they're intending on transferring to medicine... If you're interested in psychiatry, this is a good way to go because physchology covers mental illness, psycho-analasis, etc.
Here's a couple...
www.earth.monash.edu.au/dinodream/faq/faqpond.htm
A useful site about continental drift
www.lostkingdoms.com
Fossil sites in Australia