if entry[0] =~ /\/#{dropbox_blog_dir}\/articles\/([a-z\-0-9]+)\/.+\.(?:jpg|png|gif|jpeg|svg)$/
          path = entry[0]
          article_slug = $1
          file_name = Pathname.new(path).basename.to_s
          s3_object_key = "pictures/#{article_slug}/#{file_name}"