This is a quick one, and it answers a question posed by one of my readers (John McGill) on Friday. He asked if there was any way to change the background color in the main window behind our images in Lightroom. Luckily, it’s easy (and you can do it in one of two different places): Above: Here’s my current background color, which I have set to Dark Gray (Lightroom’s actual default background color is “Medium Gray.” To change the color, just right-click (or Ctrl-click) on the background area outside your image, and a pop-up menu of background color choices appears (as seen here). In this case, I’ll choose Light Gray. Above: Here’s what it looks like when you change the background...