Copy/take inspiration from them to an extent
^{(Don't be afraid to ask whether or not you've copied too much)}

Use for commercial purposes

Reupload them

Create derivatives of them _{(trace, edit, etc.)}

Use them in artificial _("AI") media generators

Sell them as NFTs

Reupload them without credit
^{(Note: "Credit to the artist" or "not mine" is not credit)}