waltertalt wrote: If i create ...
... then i assume you are the author of the morphs and the assets, and then the answer to your question is a simple yes.
But if you use user contributed assets that are provided under the creative commons "BY", the author at least expects citation. Personally, i want you to not only give attributions to my assets, but as i nowadays license them under CC-BY-NC-SA, i also expect from you to not use my assets for commercial purposes ("NC") as well as not changing the licensing ("share alike" - SA). So in short:
CC 0: do what you like
CC BY: give attribution
CC BY-ND no derivatives. Only copy,share and attribute
CC BY-SA do what you want but give attribution and keep the license as is
CC BY-NC give attribute and don't dare selling it, even if modified.
CC BY-NC-ND give attribute, don't touch the original and don't sell it
CC BY-NC-SA give attribute, do what you like with it, but don't touch its license and hands off the commerce. For the living, start learning something useful eventually, greedy Schmock.