Licensing : uploader Atamari has eMail-contact with the photograph „havard“. He write:
Go ahead and use as many as you want. If you need to have them in a higher resolution,
that could be arranged. But preferably you can use them as they are.
Håvard
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.