With moderate DA experience, I've learned that some deviants take advantage of stock photos by claiming a deviation as their own, or fail to give credit to the generous deviant for the original photograph.
This will not be the case here, nor should it be anywhere else. If anyone would like to use my stock photos, or any from other stock accounts, by all means manipulate to your hearts content.
Know that there is a request to notify me of the use of any stock photo, with credit, and a link to the new deviation, so I can, in return give credit for using my stock.
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My other account: konstantinek (https://www.deviantart.com/konstantinek) :)