The latest edition of Backyard Buddies is online. While this newsletter comes from New South Wales, it often has ideas suitable for us. It also showcases birds you may see on a holiday if you go north of the border.
There is an idea for a ladybird house that looks like it might also be suitable if you want to provide opportunities for native bees and mud dauber wasps. http://www.backyardbuddies.net.au/bmail/Bmail_October_2012.html