On Vikingz link, half of those dicks are disgusting or the body they belong to just lets it all down. A lot of them weren't even that big either, whoever made that wasn't really clear in their mind what was big as there was definitely a few sub-6 inch in there.
Plus, that one OMG linked saying it's fake, look just below the head, it looks like their hand wasn't steady when they cut out the penis on photoshop.