one of the best books i`ve read on self publishing & marketing it yourself, by Ted Nicholas
http://www.publishabookandsellamillioncopies.com/
Cartess
No problem...that guy is a Genius! I thought it was an over-hyped pitch, but when i ordered the thing, it almost had me wanting to create my own publishing company (which is still in my book of ideas for when I get some time maybe 5 years from now
).
He wrote a book some years ago which I think prompted many people to setup their own corporations, the book was titled "How to Form Your Own Corporation Without a Lawyer for Under $75" -- simply genius!
You won`t be disappointed --- heck, I`ll give you your money back if you thought it was a waste 
Cartess
Here`s his site, which elaborates on that book cover:
http://www.fishingwithafork.com/index.php?pr=Fishing_With_a_ Fork
Looks interesting!
Cartess
One of the best I`ve come across (and he does print for actual books, cd, dvd and jewel cases too)
http://www.hidefcovers.com/examples_stylechoices.html
Cartess