Prevent flashback on N900 camera

Thomas Perl has an informative blog post with a solution to a problem that has plagued most N900 owners: namely, photos washed out from the built-in flash reflecting off the lens surround. I think it was during MeeGo Conference 2010 when I was first told that I should cover the N900 camera cover's blue and silver bevel with a dark color to prevent them from reflecting the flash light and making the photos worse than they could be. If you don't use the N900 with flash at all, this "hack" doesn't apply to you. Otherwise read on. A simple solution to a problem that should never have been.