The Australian distributor appears to have been United Press, Melbourne, throughout the run, although this is not confirmed outside of a few issues.
Most information from Peter Hansen and Ken Quattro by way of Ken's "The Comics Detective" blog:
http://thecomicsdetective.blogspot.com/2010/03/wonderful-wags-of-oz.html
http://thecomicsdetective.blogspot.com/2010/04/return-to-wonderful-wags-of-oz.html
A different account of the number of issues comes from Ken Harman of Book Palace:
http://www.bookpalace.co.uk/OzComics/Wags/INDEX.HTM
Format
Publication Type:
Comic Books
Color:
full color (early issues); black and white with 16 color pages (later issues)