In this tutorial I'll show you step-by-step how to create the image below (click on the thumbnail to view full size).
You'll learn how to use Photoshop layers to add light and colour to a pure white source.
The full tutorial is published on Worth1000.com. You can view it here:http://www.worth1000.com/tutorials/162541/lighting-a-giant-swan
Special thanks to Sam Javanrouh for allowing me to use his wonderful picture of the Toronto skyline.