Over 1,100,000 quality photos, vectors, and videos on http://Pixabay.com. All of them are free - even for commercial use!
Thank you, Mabel Amber! That’s really a great story to read.
These are very useful tips. Thank you for sharing. I would only add that to start with you can find good quality photos for free at pixabay.com. We have over 530k images to choose from.