http://www.acm.uiuc.edu/siggraph/HDRIE/
http://athens.ict.usc.edu/FiatLux/mkhdr/
http://www.cs.uh.edu/~somalley/
http://www.debevec.org/HDRshop/
http://www.panoguide.com/
http://www.max3d.pl/hdri.php
http://www.dbki.org/hdr/index.html
http://www.debevec.org/Probes/