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Source: https://www.pinterest.com/explore/best-3d-tattoos/

Not citing the source of photos(images) is plagiarism. Here is a post on why this is bad, and here is how easy it is to find allowed photos.

Creative Commons: If you are posting content under a Creative Commons license, please attribute and link according to the specific license. If you are posting content under CC0 or Public Domain please consider noting that at the end of your post.

Not indicating that the content you copy/paste is not your original work could be seen as plagiarism.

If you are actually the original author, please do reply to let us know!

Un consejo, #spanish se suele utilizar para post escritos en español.

puse #spanish para que la comunidad hispana no se quedara ajena al post y pudiese participar quien quisiera, aunque este escrito en ingles; igualmente me apunto el consejo.

It is certainly distinctive. Though I have a low pain threshold, so no I would not do it to my head.