Copyright Free Resources
Try these sites for images:
Copyright Friendly Sites

Creative Commons is an international non-profit organisation that provides free licences and tools that copyright owners can use to allow others to share, reuse and remix their material, legally.
The sites below allow you to use images and sounds in your work. You will just need to acknowledge where they are from.
The sites below allow you to use images and sounds in your work. You will just need to acknowledge where they are from.
Free-Loops

Lots of different sounds and music here and you don't have to join to download.