I remember seeing this on TV when I was young. A wee tale about a young girl who helps monsters defeat a wicked witch which manages to be both charming and surreal:
https://www.youtube.com/watch?v=lIL3pyxhIV8 (apparently embedding video is broken or something)
The bit I vividly remembered was the monster which ate pictures of flowers (and not actual flowers, because that would make sense).