Great list to get #free #images for commercial use

http://openphoto.net/ - A well organized and labelled source of quality photographs.
https://stocksnap.io/ - Really nice, non-cheesy royalty free images
http://morguefile.com/ - Pay no attention to the odd name of this site. Awesome search features.
http://www.freepik.com/ - Free vectors, icons, photos and more (Check Individual image Licenses)
https://dribbble.com/search?q=freebie – Some nice free PSD files.