Please upload high res, images that are a minimum size of 1024 x 768 pixels. If they are larger please do not crop them.
Do you need stock images? - All of these websites offer FREE photos.
If none of these have what you are looking for you can google search "free stock photos".
Please do not violate copyrights by using images from other websites without permission!
For better SEO, please name image files appropriately before uploading them.