I make use of a lot of Creative Commons photos on my blogs. This is a great source for finding relevant and clever photos to accompany your work, but it’s extremely important that you use proper attribution in your posts so the photographer gets appropriate credit. Also, be sure to check the license to be certain it meets the terms of your usage requirements, and link back to the photographer as well. As the infographic shows, way too many people don’t use proper attribution. Be a good citizen when you share photos and attribute properly.
Lots of good advice in here: