Just experienced this myself
Just searched for this exact issue and came across this thread!!
I just connected my iphone and had the same issue, a photo which I did not take on the camera roll. One item that popped up was a movie clip I took, the other was a photo of what looks like two people riding the C-train (the public transit train in town here).
This photo was dated on Saturday @ 9:58pm; I have been home with the flu since Saturday lunch time, and unlike the original poster, no one had access to my iPhone.
A couple other notes:
- I don't have any file/photo sharing apps installed
- the photo is in 640x480 res, not the 1536x2048 I normally use. This makes me think it didn't originate from the iphone.
- I don't know the people in the photo, but it looks like they are from the same city
- Again, no one had access to my iphone during this time.
- No geotaggs in the photo.
I haven't used MMS on the iPhone much, so I'm curious how this actually works... if someone mistakenly sent a photo to me over MMS, does this not start a conversation in the "Messages" application?? Or would it just dump the pic into my camera roll?
Thanks folks, I'll phone Apple and my carrier for any suggestions from them.