The photos are done by the military's PR folks.  I actually think it's more a matter of the military not wanting to appear as though it's in McCain's pocket, and so being inclined to give Obama some good pics and video.  The potential pitfalls are clearly in Israel, where I suspect Olmert isn't going to be as prObama as Maliki or Karzai or the Yurpians, but given Olie's recent, erm, "issues" (being charitable), I'm not terribly concerned.

Conservatives want live babies so they can raise them to be dead soldiers. - George Carlin