Intellectual Property (IP) information:

• Copyright in General
• Frequently Asked Questions about Trademarks
• Frequently Asked Questions (and Answers) about Trademark

Where can I get images or material for my covers?

• Anything you create yourself
• Creative Commons-licensed works
• Public domain works
• Royalty-free works

Where can I get inspiration?

• The Fahrenheit 451 Jacket Design Contest
• 15 Gorgeous Book Cover Redesigns
• 15 Wonderful Redesigns of the ‘Lolita’ Cover
• Dracula book covers
• Peter Pan book cover

There are websites like this one where people summarize their books and designers offer competing covers.