Amateur d'Avion

The apparent shadow angles are due to PERSPECTIVE. The apparent angles are aggravated by the use of a wide angle lens - in principle the same question as the "falling lines" if you photograph two towers, pointing your camera upwards.
Stop the movie at about 35-40 % progress, and you will in the same picture close to the left edge see apparent sunshine from the left and close to the right edge see apparent sunshine from the right!
All this due to perspective.
Also, a jet will lift up any available loose debris -- but as long as flight altitude is considerably more than the height of the undercarriage, this debris would be dangerous only to any other aircraft following behind. :-)

A completely different question, of course, is debris (sand, dust) in the air for other reasons (these other reasons include the people on the picture and their vehicles) and the very limited margins for error left, which indeed indicate some undone work by the flight safety officer...

Translated from below:
"pour info c'est un kc-135 au tchad"
{for information it is one kc-135 in the Chad}

It is real. One of my close friends is a KC-135R Pilot(Capt-AFR) in the 168th ARW and they were shown the same video during a safety briefing not long ago. The video was sent to the USAF via the French AF. So it is real! BTW, look over the video again. First, there is debris being disturbed on the ground ahead and behind the plane(in ground effect) plus the shadow is quite correct. The sun is overhead(mid-day) and slightly to the right and high behind the plane(the shadow slightly left) and at that angle the shadow appears slightly ahead of the plane. As the plane gets lower the shadow gets smaller & darker plus being fairly centered with the plane. Then as the plane passes by and climbs again, the shadow fades and appears to fall behind the plane(optical illusion) which is normal. One last thing, the engine sounds are real GE/Snecma CFM-56 Turbofans! I should know having worked on them for 7 years(737-300/400) a seeing.hearing many runups & take-offs. Also notice the ground vehicles that appear under the plane as it passes by- Their visual markers for lining up on the pass! Glad we cleared that up......

Yeah, sure it's real. These guys found a KC-135 that's so fast it can outrun it's own shadow. Cool. And they found a nice clean desert to fly over, too. Not one of those pesky "normal" deserts with the dirt, dust, rocks and other debris that might get kicked up by the wake of such a low-flying plane. Yeah, sure it's real...

It is quite real and not a RC! I'd say filmed in North Africa(Chad maybe? I have seen the French AF do low passes before. Check this link and you will see what I mean! http://video.google.com/videoplay?docid=-295259028791778590

That my friends is a large RC Model.
Here is another: http://www.ehowa.com/features/remotecontrolairbus.shtml

Chrispy

Its real

The shadows that blindbat identified are reasonable for the camera angle relative to the sun position. As the shadow of the plane seems to move from leading to lagging the plane, so to do the shadows for the brush. Carefully examine the aircraft and the ground below. The aircraft is gear-up/flaps up and travelling in Ground Effect at flight speed. Where is the dust? It looks like cargo drop practice with the wrong aircraft at the wrong altitude. If it was my multi-milliion dollar aircraft and this was not an emergency, its pilot would have some explaining to do.