Collection of very highres (up to 10.000x5000 pixel) 360° fullspherical HDRI sky panoramas which can be used as skydomes for lighting. Most HDRs come also with several highres backplate images for background compositings.
All HDR Images are very affordable compared to other platforms and have a high quality and can be used comercially.
http://3docean.net/collections/988549-360°-spherical-hdri-panoramas
here is a link to Kirt Witte’s site (professor at SCAD). Lots of info on HDR images here.
Hi,
I created a collection of fullspherical sky panormas which I share over 3Docean (they are not free but very affordable).
Feel free to visit and give a feedback. Thanks.
http://3docean.net/collections/988549-360°-spherical-hdri-panoramas
some new hdri frmo jeff patton
http://jeffpatton.net/2011/10/free-hdr-with-a-couple-of-backplates/#more-970
Funny to see that one of my skies found its way into the listing 
http://www.andreas-reimer.de/download/Stonewall_HDR.zip
Have more free available in my portfolio at The3DStudio:
[http://t3ds.com/m/622364](http://t3ds.com/m/622364)
If you download one there it would be nice if you could give it a rating.
Have fun with them.
In the newest items you can also see images created with the specific hdri.
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Everyone, who has a more regular need for fresh high quality skies,
be invited to follow my facebook page, where I regularily will update infos about HDR panoramas of different sky situations.
You can also earn free HDR panorama skies of you choice, when you post works in which you use some of my HDRs or Backplates.
Facebook:
http://www.facebook.com/CGBalrog?ref=hl
All my skies are also available on 3DOcean:
http://3docean.net/collections/988549-360-spherical-hdri-panoramas?ref=CGBalrog
Don’t miss our new free set!
[[img]http://www.hdri-hub.com/media/k2/galleries/323/HDR_Free_City_Night_Lights_1preview.jpg[/img]](http://www.hdri-hub.com/hdrishop/freesamples/freehdri/item/323-hdr-city-road-night-lights-free?utm_source=forum&utm_medium=post&utm_campaign=cgtalk-night)
http://www.hdri-hub.com/hdrishop/freesamples/freehdri/item/323-hdr-city-road-night-lights-free