The challenge this week was the subject of warmth. We are currently experiencing a little bit of a cold spell, although not as bad as elsewhere. Here in the UK a little bit of snow and ice causes carnage on the roads, often resulting in delays.
I recall reading an article a while back about photography by candlelight and thought that this may produce the desired look.
The article I followed advice from is from Tutsplus, where I seem to spend a lot of my time reading.