During production of your digital publication you may wish to enhance your content with multimedia and interactivity that will allow it to stand out from the crowd of publishers.
To help you do this we have compiled a list of free images and button libraries below that you may use according to the owners policies:
Buttons
http://naldzgraphics.net/freebies/ultimate-collection-of-free-buttons-in-psd-format/
Icons
http://naldzgraphics.net/freebies/40-excellent-free-icon-sets-everyone-must-have/