I have the first 3 years as well as several Australian 4WD Monthly magazines.
Overland Journal (12 total):
2007 - Spring, Summer, Fall, Winter
2008 - Gear, Summer, Fall, Winter
2009 - Spring, Summer, Fall, Gear
Australian 4WD Monthly (11 total):
#65 (April 2004)
#82 (August 2005) - #88 (January 2006)
#92 (May 2006) - #95 (August 2006)
There are photos of the covers here:
http://risingsun4x4club.org/forum2/showthread.php?t=26267