I am wanting to use Flexibility theme to customize each site of a multisite. Unfortunately when I spend ages getting layout and header image right on one site, it transfers to the others!!
I have done the changes as superadmin (which was recommended on one site) but that didn't help.
I noticed that Bettega on this forum seemed to have had some success:
I have not at this point gained help for this from the theme developer, but thought someone here might have a solution.
I hesitate to bring this up here because it is probably a theme issue, however I have not found the relevant information on the theme site.