From watching threads in other automotive forums, I've seen where shipping large, bulky parts like bumpers, doors and body panels can be easily done via Greyhound (bus lines).
Fairly inexpensive, too. Only catch, you have to wait until they finally get it to you. It will only ride on each bus on the way that actually has luggage space left over after all passenger luggage is loaded.
Just a thought!
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2002 Just Blue XE 4x4