raptus.header provides a folderish content type called Header which may contain multiple images. The first image contained in the header folder will be displayed by the header viewlet. If no header folder is found in the current context the viewlet tries to find one in the acquisition chain.
This packages requires plone.app.imaging which requires two pins in buildout when using Plone 3, which there are:
Products.Archetypes = 1.5.16 plone.scale = 1.2