Portraits In The Snow: Some Tips On Getting Proper Exposure
Photographer and Author Tony Northrup has put together a video tutorial on how to use your DSLR's histogram and exposure compensation to get proper exposure when working with backgrounds that are too dark or too bright. He also talks about spot metering vs. evaluative metering, and discusses when and why he chooses the different modes. There are a number of good tips in this video, and if you're out taking photos in the snowy North, you might find them helpful.