Imagesinsight.com is a website full of amazing and interesting images that are Royalty Free. The images are free to download. Please link to ImagesInsight.com if you use our images. We put in several hours to prepare and upload the images and media on this site. Notice that the texts are not free to use.
Most of the images are in the Public domain. That means that nobody has the copyright to the image. Please check carefully that the images are free without anyone having the rights before you use it commercially.
If the stock photo is in the Public Domain (as far as we know) it is tagged Public domain. You find the tags under every image. Below is a link to all public domain stock photos: