Posey, I have another suggestion? I do not know if you'll understand because the translator
Tip: could have the option of choosing the framework of the cover photo, as well as Xenforo. For example: the User's Profile, for it appears the option to choose the framing of the image, drag it down or up to her to stay the way the User or in the framework.
I think essential the user can choose the part of the image you want to display a profile for when the image is too large, appears only a piece of it
A picture of how the Xenforo:
The cover photo after it was made: