Link to close up:
http://www.dallasnews.com/sharedcont...VS2IVPRU.1.jpg
Look at the metal ring rounding the blades.
Scratch-marks suggest engine was spooling during impact.
Photo's does appear to be illusive, indeed with telelens.
Survivers did say the smell fuel but tanks were intact(afawk), may coused by the last thrust of the engine. Was in front of a/c and did blow at its direction. see pic:
http://media.nu.nl/m/m1bzv76a43o6.jpg