I also like the idea of one-page mosaic-style comics. Perhaps one page for each "Australian" themed Transformer, i.e.:

+ Outback
+ Snarl
+ Tasmania Kid
+ Bound Rogue
+ Star Upper
+ Croc Megatron... or better yet, Megalligator (that might avoid clashing with official canon)
+ Maximal Koala
+ Koala Gray
+ Any of the Autobot Chainmasters

Or perhaps a story that runs parallel with any official canonical events that occurred in Australia.

I can whip up a page in about an hour or so... but I must admit that I'm crap hopeless at writing a story. So I'd be happy to do the art but someone else would have to do the scripting.