Blender Guru - Did you know that Cycles now allows for IES lighting? Download the add-on by Lockal here: http://blenderartists.org/forum/showthread.php?276063-IES-Lamps-to-Cycles It's great for realistic architectural lighting! | Facebook
IES Lamps to Cycles - Released Scripts and Themes - Blender Artists Community
Blender add-on review: Extra Lights [$] - BlenderNation
IES Lights Pack - Store • LeoMoon Studios
80k free IES profiles for architectural light • Blender 3D Architect
Chocofur IES Lights in Cycles tutorial | Lights, Blender tutorial, Blender 3d
Free ies lights 1600 unique IES files from German lighting manufacturer
IES-Like Lights in Cycles / Architectural Lighting - Blender Tests - Blender Artists Community
IES Lights | Indigo Renderer
Interior rendering with Cycles and Faking IES lights • Blender 3D Architect
Download over 90,000 free IES lighting files from IES Library - BlenderNation