图像未按预期对齐

All of my images are placed in order, but in the 3rd row my image does not aligned as the images above. I cannot figure out what the problem is. Actually it was working fine until the admin uploaded a image image with a blank filed, but that was sorted out and when again the images were upload the problem began to rise. Here is the link for my problem.All of my images are placed in order, but in th