F13 Design Studio, LLC - http://www.f13design.com
Here is a rendering using the DOF parameters in Corona. Also tried creating the gas flames using the thin film Shader found here http://www.sigerstudio.eu/product-category/plugins-free/3ds-max/. A friend of mine (Jeff Patton) sent me this link. It is a great shader. the only thing I did in Photoshop was used the burn/dodge tool to brighten the flames at the base and created the steam coming out of the kettle. Thanks for viewing!