here are a few links about who owns what in photography

http://www.copyright.gov/title17/

http://www.copyright.gov/help/faq/

http://www.copyright.gov/help/faq/faq-fairuse.html
http://www.kodak.com/global/en/consumer/doingMore/copyright.shtml
http://www.editorialphoto.com/copyright/primer.asp
http://www.photolaw.net/faq.html
http://www.photosecrets.com/photography-law-copyright
http://www.ppa.com/findaphotographer/copyright.php
http://www.photographerregistry.com/
http://theedublogger.com/2012/02/09/the-educators-guide-to-copyright-fair-use-and-creative-commons/
http://www.templetons.com/brad/copymyths.html
http://w2.eff.org/IP/eff_fair_use_faq.php
http://mlc.lib.mi.us/cms/sitem.cfm/library_tools/copyright_/copyright_links/
http://copyright.cornell.edu/resources/publicdomain.cfm
http://www.copyrightservice.co.uk/copyright/copyright_myths
http://www.chillingeffects.org/dmca512/faq.cgi
http://www.roniloren.com/blog/2012/7/20/bloggers-beware-you-can-get-sued-for-using-pics-on-your-blog.html