There is a Strangedog cover - Old World Map - available on eBay for $20.00 Buy It Now.
http://cgi.ebay.com/StrangeDog-Old-World-Map-Amazon-Kindle-Cover-RARE_W0QQitemZ320329286494QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item320329286494&_trksid=p3286.c0.m14&_trkparms=72%3A1234%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318%7C301%3A0%7C293%3A1%7C294%3A50
http://cgi.ebay.com/StrangeDog-Old-World-Map-Amazon-Kindle-Cover-RARE_W0QQitemZ320329286494QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item320329286494&_trksid=p3286.c0.m14&_trkparms=72%3A1234%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318%7C301%3A0%7C293%3A1%7C294%3A50