In the creation of your digital products, you have access to several copyright free sources of material to enhance your product. http://www.morguefile.com - images, copyright free, easy to downloadhttp://scx.hu - images, set up an account (free and easy) to access larger files of the thumbnail imageshttp://flicker.com - images that are in the "creative commons" section are free to use as long as you attribute/credit (give mention of the owner)http://www.jamendo.com - audio fileshttp://www.freesound.org - audio and sound effects. Set up an account (free and easy) to access downloadable files.http://archive.org - archived footage, old movies in the public domain