Copyright Concerns

• What does deviantART consider to be Art Theft?
• What is the policy regarding preview images used for literature submissions?
• What is deviantART's stance on asking for or giving out copyrighted music, video or programs while using the site?
• What is "warez" and what is deviantART's stance on warez?
• What are the rules for the use of music and sound effects in a Flash animation?
• Should I put a signature, watermark or copyright on my art before submitting it to the Wallpaper gallery?