So many opinions…so little time

In art as in anything there are so many books out there filled with the right way to do just about everything.  Recently I read Jack Whites book Mystery Of Making It about marketing art available at Lulu.com which I highly recommend.   He stated that you should always use a white background for art marketing.  This means walls, brochures, websites and other marketing materials.  I have been using grey walls for my outdoor booth set up and wondered if this is worth the expense of a change?  If anyone has an opinion I’d love to hear!

Here is my booth lighted and in natural light…