And another list of links; this time for free HDRI maps. Again, anything you post in this thread I will add to the list. Please mention if the resource offers low or high resolution maps (low being in 512 region, high anything above 1k).

High Resolution:
http://www.debevec.org/Probes/
http://smashmethod.deviantart.com/ar...Pack-1-9597501
http://smashmethod.deviantart.com/ar...-2-ab-10036562
http://smashmethod.deviantart.com/ar...ack-3-10152791

Low Resolution:
http://www.hdrimaps.com/downloads.html
http://www.cgindia.org/2006/06/downl...free-hdri.html
http://www.hdrmill.com/Freebies.htm

Cheers,
Count Zero