A new online industry has emerged in recent years to support self-publishing authors and book designers. There are many sites where you can design and sell custom premade book covers that feature your own images or those of others. It is particularly important to be aware of licensing issues when working with book covers. Most of these sites make covers available on a one-time only basis, to ensure the originality of a book.
Below are a few such services.
Digital Art Tools & Resources 
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