http://memory.loc.gov/ammem/index.html
http://commons.wikimedia.org/wiki/Main_Page
http://tools.wikimedia.de/~tangotango/mayflower/
http://www.bigfoto.com/
http://www.123rf.com/freeimages.php
http://www.imageafter.com/category.php?category=vehicles_air
http://www.freeimages.co.uk/
http://www.freefoto.com/index.jsp
http://everystockphoto.com/index.php
http://search.creativecommons.org/
http://pics4learning.com/
United Streaming
fontpark.net
http://www.publicdomainpictures.net