While motorcycling through China, Laos, Cambodia & Thailand, I made my own luggage rack using a simple metal mesh shelving unit I bought at the local market for $5 and some zip ties. Here is a simple illustration - I have more junk like this on my website.
http://farm4.static.flickr.com/3652/...8bea002838.jpg
Chris Maupin
ChrisOn2Wheels.com