I personally like to contribute my work freely to Wikimedia Projects, not outside.
If you use this file outside the Wikimedia Projects, you may
clearly attribute the work to Anton Croos
Further licensing information, can be found here in this file.
I, the copyright holder of this work, hereby publish it under the following licence:
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 licence, 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 licence as the original.