Nifong's whole photo position is absurd. The authenticity of digital photos when you have the equipment is verifiable, absent some cia level of ability. If you have multiple camera sources, phones or cameras, the ability level required to quickly force the date and time or alter the photos is astronimical. So, if he wants to argue that the photos time stamp is wrong (that is if his case depends on showing beyond a reasonable doubt that the time stamp is wrong) all he needs to do is set up an indepenent examination, it is not really a judgmetn call. If the photos were tampered with, he has strong evidence of guilt. The fact that he does not do that examination, and is going to depend on a pathetic non-expert is all i need to know about the guy. If he were an honest guy, he would set up a meeting with the defense, select an expert, and have the his expert and the defense expert to a joint analysis.
The photos will come in for sure. The bigger question is whether a pathetic whore of an expert hired by Nigong will be allowed to speculate about whether the photos are authentic.