How do arch liners mount?

[Gunnytron]

Has anyone got a pic of how the wheel arch liners are supposed to be mounted? I can't work out which parts sit behind the lip of the wing and which parts go outside the lip.

 

[Gunnytron]

Ceylon answered my question without realising it

https://farm2.staticflickr.com/1783/41161204310_8124b47045_b.jpg