I think it would be cool if you had travel into new paintings and then for some nostalgic reasons there could be A delfino painting and a Galaxy Painting! I want Mario to think bowsers the bad guy but in the end he finds that bowser is being controlled by some evil force, I'd like to search for stars as well, every couple stars could unlock a door that leads to a shroom. and then all the shrooms unlock a giant safe in the end containing princess peach