Copyright
Where to find copyright free images
http://cnpslearning.weebly.com/creative-commons-images.html
Google images
1. Go to Google Images and search anything (dog etc) to get to the next screen
2. Click on the cog icon that is in the upper right hand of your screen (this is the advanced options menu)
3. Choose 'Advanced Search'
4. Scroll down to usage rights and choose 'free to use or share'
5. Enter your search requirements