Here is an idea.

What if we had map skins?

Rito: want to play on a snow/void/battlecast themed Sr? Pay x RP and enjoy. Just add a tab to the players profile page which lets them select the map skins, this way they wont need to do it in champ select. It gives peeps more cosmetics(it also appeases those that want more maps a bit) and it gives rito more cash.