Copyright free images are a great way to add content to your posts without needing a budget. Images and videos are the life-blood of good posts, Ads and copy of all sorts. Why is it so important?
It was neuroscientist John Medina who said, “Hear a piece of information and three days later you’ll remember 10 percent of it. Add a picture and you’ll remember 65 percent. ”
Here are some sites with hundreds of photos and images in many different categories.
Read the conditions on each site carefully, although free to use, they may require attribution
Usually you will not have the rights to use on specific commercial products like Tshirts and Mugs , so do check this!