This image, taken from orbit by the HiRISE camera on the Mars Reconnaissance Orbiter is of Curiosity parachuting down to the surface of mars.
Here is a simulation of the various orbiters in relation to the landing Curiosity. As shown above, the MRO was in the right place at the right time to capture Curiosity’s Landing.
To keep up on all the news goto http://www.nasa.gov/mars