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Hey Roberto,

they do have unique names and alt tags.

Hi Zach,

Thanks for your the answer. I have wordpress seo by yoast and I redirected attachment url's to parent post url as you said but It is still not redirecting. I checked a solution on the internet and I cant find any. as you said, really unique problem. I have quick redirect plugin installed, I am thinking of using a 301 redirect using this plugin, what do you think ? open to other solutions.

thanks for your help.

I have run my seomoz campaign through my wordpress site and found duplicate content. However, all of this duplicate content was either my logo or images and no content with addresses like /?attachement_id=4 for example . How should I resolve this? thank you.