Hi, I have some products to sell. I tried many different ways to produce the best images, but the results were not as expected. I would like a complete (or almost) 100% pure white background for my photos. I found some samples: http://koston.us/silver_nycity/gallery/dir389/47_IMG_2513.jpg http://koston.us/silver_nycity/gallery/dir389/49_IMG_2515.jpg http://koston.us/silver_nycity/gallery/dir389/58_IMG_2525.jpg do you happen to know what techniques he/she might use? Those pix have a perfect white background. Any suggestion? Please help a newbie taking some photos. Thanks.