This is going to sound nuts, since it's winter here in North America, but when I first saw this month's Challenge photo, it struck me as a perfect photo for January. Because it's right around this time, after the holidays have ended, the new year has arrived, and life has started calming down, that I start craving spring. And this William Morris design is a nice taste of what's to come, don't you think? When it comes to winter colors, I think of subtle, quiet tones, which this Challenge…