A couple of years ago JD Sawyer posted his style settings template for OO. I don't know if they are still accurate, but you can find them here:
http://jdsawyer.net/2011/03/30/smash...nd-openoffice/ There is also a Word version, and instructions in the comments.
Having worked on formatting stuff straight out of Word, I'd love to have all authors use these templates, at least as a starting point.