The source of all our natural light is the sun, however it takes on different characteristics at different times of day . http://en.9jcg.com/comm_pages/blog_content-art-86.htm
Examples of True Displacement with Pixar Renderman. But the same principles can be applied to other renders as well. http://en.9jcg.com/comm_pages/blog_content-art-35.htm
HDR Lighting in Maya using HDR Shop, and the LightGen Plugin: The barebones approach to quickly get started with HDR lighting http://en.9jcg.com/comm_pages/blog_content-art-141.htm
In this tutorial we will walk you through the process of creating realistic looking candle flames. http://www.cgsutra.com/autodesk_maya_tutorials/m0001_candle_flames/may...
In this tutorial we will walk you through the process of creating believable Lamplight using Maya. http://www.cgsutra.com/autodesk_maya_tutorials/m0002_lamp_shade/maya_l...