I don't believe you have permission from akreon or vesner to use parts of the OW pages for a group icon (I could be wrong, but it should at least be acknowledged that it's not your work).
i am not the leader of this group but i do try to keep in touch with all comments to the group. i joined this group a while back and was promoted to co-founder when this thumbnail was already being used.
i will contact ackreon and ask permission. ill make sure the thumbnail gets changed if the answer is no.
sorry for the inconvenience. alot of people on DA forget to read carefully over the guidlines but ill make sure the founder understands