.png format
 
Print as many as you like for personal, non-commercial use.
Note: Although this is free, there are some conditions:
 
Examples of things you can do:
Print for yourself
Print to give to friends/family.
Share online BUT the copyright notice on the poster must not be removed.
Include in a local church bulletin or newsletter.
 
Examples of things you can't do:
Sell it.
Include it in any other kind of publication.