Д/з№3 Еще примеры...

Монохромная комбинация

http://ozone.oscraps.com/gallery/showphoto.php?photo=115635&cat=500&ppuser=21928

http://ozone.oscraps.com/gallery/showphoto.php?photo=37740&cat=500&ppuser=18168

http://ozone.oscraps.com/gallery/showphoto.php?photo=115633&cat=500&ppuser=21928