Creative Commons Zero v1.0 Universal
You should add the license into metadata for the asset pack(s):
"Edit asset pack->Metadata->Release Info->License for assets" It will increase the size of audience that will be able to find your art
The license has been indicated there for a long time, isn't it displayed for you?
I see it. I am sorry if it have already been there. I make nearly 10 such comments for a day I could make a mistake...
