Thanks for your response! I knew this wasn't normal!
However, there are no multiple pics anywhere else on the site -- which is why I think that this is a software (?) problem. There doesn't appear to be any multiple pics -- AND this multiple showing of pics only occurs when you click on an image for an upclose look. Elsewhere there are no multiple images. Does that make sense?
No multiple images:
Is this caused by a user uploading and deleting and then uploading again? Or is it just baffling? It's pretty annoying to me -- esp. when I don't see it on other galleries. But I have no clue about what causes it or how to fix.
Link from a competitor:
Notice how the larger image is only repeated by the center thumbnail? I'd like my gallery to be like that.
Thanks for your time and suggestions. Lessie