Just got a tweet from author and graphic designer M. S. Fowle, owner of Melchelle Designs. She will help you solve your book cover design problems. (She also is doing a guest post for me in the near future.) Her contact information is below. Prices start at $35.
Melchelle Designs
@MelchelleDesign
Creating beautiful & unique premade & custom ebook covers for authors around the world
Fay Moore: I Want To Be a Writer 