OK, I JUST SOLVED THIS PROBLEM. I DID THE 4.1 UPDATE AND ALL MY PICS SHOWED UP AS BLACK SQUARES THAT WHEN TAPPED ON THEY APPEARED, BUT WHEN VIEWING THEM ALL AS A SET, THEY WERE BLACK. IF YOU ARE ON A MAC COMPUTER, GO TO THE "IMAGE CAPTURE" APPLICATION AND IMPORT ALL THE PHOTOS FROM YOUR PHONE ONTO YOUR COMPUTER INTO A FOLDER (WHICH I LABELED "iPhone Pics" AND THEN DELETE THEM ALL BY HAND FROM YOUR PHONE. THEN, GO UNDER THE IPHONE TAB IN ITUNES WHEN YOUR PHONE IS PLUGGED IN, AND GO TO PHOTOS, AND SYNC THAT FOLDER YOU JUST IMPORTED YOUR PICS TOO. THEN IT WORKS PERFECT, AND IT RESTORES IT TO WHAT IT SHOULD LOOK LIKE 🙂 HOPE THIS HELPS EVERYONE. AS FAR AS A PC GOES, JUST TRY AND GET YOUR PHOTOS ONTO YOUR COMPUTER ANYWAY YOU CAN, AND DELETE THEM AND RESYNC THAT FOLDER BACK ONTO THE PHONE.