Heads-up: I noticed that with the Fade in/out header images with Javascript value set to anything other than 0, the Overlay Header Image stops showing on the front end.

I saw a thread by jms5017 called Header Image Overlay not displaying, and a workaround by lmilesw, which seems to be working pretty good

I do however suggest removing the Overlay Header Image option from the Header Image set of options in the next version of Atahualpa (or modifying the JS so it doesn't interfere with the insertion)

Thanks for a great theme!

This has been a known issue since the js for fading images was added. The jscript code was grabbed from the internet and it's author acknowledges the issue and has abandoned the code.

But depending on how it is used, it serves its purpose for some people.