I'm also looking for more structured examples but so far haven't found much. These are some apps that go a little beyond the "hello world" kind. Some of them are being updated to elm 0.17.

https://github.com/plentiful/shop

https://github.com/srid/chronicle

https://github.com/CultivateHQ/seat_saver

https://github.com/NoRedInk/elm-blogger

https://github.com/massung/elm-hn

https://github.com/sporto/elm-tutorial-app