creative commons license

Stock photos http://google.com/images (use searchfilter + creative commons license) http://pixabay.com/ http://www.pexels.com/ https://www.flickr.com/creativecommons/ http://wallhaven.cc/ http://www.sitebuilderreport.com/stock-up http://finda.photo/ http://labs.tineye.com/multicolr/...

Hi All, I see my competitors of one using DMCA badge and one using CC(creativecommons) badge. Are these badges useful as backlink? I'm planning to add few of these badges in my new website. So how many badges is ok to use? and What are best once. Is it free to use or do i need to pay any for...

How can I check image license on imdb, let's say this one: https://www.imdb.com/title/tt0119217/ How to know if it has a creative commons license? I want to host the image on my site.