Header height, fixed or not?

Hey.

If a theme has a clear header area like this one how important is it in terms of getting the theme accepted to ThemeForest that the header stretches automatically when e.g. a more taller logo is used than in the demo? The stretchability might be hard to implement if the header is more complex or graphical and sometimes it may not fit the design, so I’m wondering if fixed height is ok.

A theme won’t be rejected for having a fixed height header.