You are responsible for following any and all copyright restrictions when using these resources.
Things to know about using the work of others:
Just because something is placed online DOES NOT mean that you are allowed to use it
Citing a source DOES NOT mean that you are following the copyright guidelines
The owners/creators of a work are the ones who decide who can/can't use their work and how it is to be credited
Items labeled 'Creative Commons' are available for use.
These items MUST be cited even if the creator doesn't require citations
It is your responsibility to cite ALL SOURCES in a bibliography that you hand in to your teacher - even if your teacher doesn't specifically ask for one
To find Image you are allowed to use via Google
Images > Tools > Usage Rights > Creative Commons licenses