So, I don't see a reason Bethesda shouldn't let us! Specifically, through contests. Such as
Art Contest: A TES related painting/drawing/3d sculpture. Winners get their art placed somewhere in the game.
Short Story: Write a short story set in the TES universe. Winners get their story placed as a book/series of books in the game.
3d modeling: Create a 3d model/texture set of a melee weapon. Winners get their item placed as a unique weapon in the game.
That's all I can think of, I'm sure you guys can think of more though! Oh, and of course all winners a get a free copy of the game :celebration: