Credits:
Credit any work you find on this sites on a credits page. Format:
[name of photo/music] by [username] on [name of website]
Ex:
Images:
Sunset by groovycamera on Flickr.com
Music
Incompetech Comprehensive site of the music of Kevin MacLeod
Images
Flickr (use creative commons licensed images only. Filter in Advanced Search. )
Note: For Google Images, use only large images, and only those with a Creative Comments license. Find these under search options.