Learn how to use an HDR image to light your scene in Blender, as well as what to do when your HDR (or LDR) isn’t giving you hard shadows automatically.
Downloads (Licenced as CC-BY-SA):
Blend file (including the HDR used): http://bit.ly/1BA84Hb (43 MB)
Only the HDR: http://bit.ly/st-lucia-pano (6 MB)
This video: http://bit.ly/1FYXNf2 (96 MB)
Original crappy tutorial: http://youtu.be/4MvMuHckfDQ