Wired has a slideshow of NASA’s best images of Earth that I’d recommend you to check out if you enjoy images from space!
Below is a picture of the spectacular Bowknot Bend of the Green River in Utah (USA), as taken by an unnamed astronaut on board the ISS using a Nikon digital camera and 1000mm lens. (The straight white line in the picture is a contrail, btw.)
Speaking of images: If you’re a cartography and projection nerd, you might appreciate this Doghouse Diaries entry about how Earth always looks odd in pictures: