A special license for you (including cost-free usage) may be available on request, also in some cases a higher resolution.
If you have any questions, feel free to contact me on my discussion page (unregistered writing possible, I will reply quickly) or send me an E-Mail (registered users only).
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.
