How to insert a slider into the header section

I am looking to see if anyone knows how to customise the Naturelle theme by inserting a slider into the top header section?

Or even if there was a similar theme which offered an easily accessible wilder as a header. I have looked at many themes but the sliders at the header section on some have content created from posts rather than just a slider where the images can be added manually.

Any insights as ever welcome.

anthonyod