Lakshan... you should be able to look at how the themes are put together now, to update your theme so it can be included as something for people to use with our imminant 2.1 release!
BeefStake... with your site http://www.monarocarclubofsydney.com, you should add it to our showcase, and I really like where you were going with the http://beefstake.kicks-ass.org/ website; I'd love to see this turned into a proper theme.
PS: theme documentation has begun at http://doc.silverstripe.com/doku.php?id=themes