Get flash to fully experience Pearltrees
Searching the web, I collected all the sites where you can download free HDRI's legally. I hope that they will be of use for you! http://wiki.mcneel.com/people/brianjames#high_dynamic_range_environments http://gl.ict.usc.edu/Data/HighResProbes/ (^ they are not always online, so try it at a later time when you get to see no site) http://www.hdrlabs.com/sibl/archive.html (^ they update their site regularly) http://www.evermotion.org/download http://dativ.at/lightprobes/ http://www.turbosquid.com/FullPreview/Index.cfm/ID/256272 http://www.digitecture.org/index.php/images/ http://www.zwischendrin.com/de/browse/hdri/3 (^ the one's with " kostenlos ") http://www.weiss-ag.info/gallerie/hdr-einzelbilder-shop/ http://zbyg.deviantart.com/art/HDRi-Pack-1-97402522 http://zbyg.deviantart.com/art/HDRi-Pack-2-103458406 http://zbyg.deviantart.com/art/HDRi-Pack-3-112847728 http://www.openfootage.net/?
Store: Individual HDR and sIBL Files. Page 5 (81-100.) This section contains individual HDR files including sIBL sets for sale and electronic download. The panoramic images below are tonemapped/LDR previews. The example images below each panorama are 3D models rendered with the included sIBL files.