You may be a blogger or someone who needs images to use and may be trying hard to get some. But now its very easy and such images are found in many websites. So if you are interested in getting images without any restrictions to follow the steps given :-
First visit google images where you can search any image you want.
After the results are displayed Click search tools which is demonstrated in the image given below.
Now a new set of options arise. You can choose images by different options. Now click the option Usage Rights as given below.
Now you can select the category you need. You can use them however you want if you choose the option reuse with modification so thats probably the safest option.
So enjoy using images without fear that an owner may claim it................../////