You don't really want people to click on your tags to find other people's pictures, you want buyers to click on other people's tags to find your pictures.
But I'll let you figure that one out.
I've given away too many 'secrets' already.
I believe some people sell courses online for this sort of information.
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A few of these might twist my arm though; or get me flat on my back.
By the way, I've figured your derby wharf problem out. Also, I don't think putting # in your keywords is doing any good.