So, you did a Google search and found that PERFECT image/video.
Now you have to EVALUATE that item's:
Here are some methods to assist you.
Upload, drag, or copy and paste a URL to see where else an image appears on the internet.
This search engine does the same thing but with videos and any associated thumbnails taken from a video. It is important to look out for "scrapes": old videos that are re-uploaded. YouTube doesn't make this information accessible from their website.
NOW WHAT? Well, what information did you find? The creator? The site of original appearance? A different version of the image or video? DON'T use a video or image if: