Free photos to use in your posts
For photos from these sites, you will need to acknowlege their website. You should find a symbol like this on their page. eg © AarinFreePhoto.com or you attach a hyperlink to the photo.
Only about 1000 pictures so far here at Aarin free photos
Mention the photographer’s name David Niblack if you use a photo from here
Mention the website name here
Flickr has some free photos but best to include the person’s name somewhere near the photo
Check terms and how to link for these free photos
Some photos have the name of the website on the actual photo.
If you still can’t find a suitable image then check out Lorelle on Wordpress. She has listed many sites where images can be found, some free, some with copyright restrictions. Make sure you read the information at the top of the page first about how to acknowledge the image’s owner.