I am entering into my first show. The photos have to be matted with no frame. Do you guys think neutral colors should be used or should I pick a color from the photo? What about my black and white photos? What color should be used?

I agree with your friend: stock photography is about building a stock and you need to gather as many photos as you can... you can't have too many. Moreover, you also need to be careful about what kind of images you shot: lifestyle photography has a short life-span. Also, I tend to think it's...