Making a Facebook cover photo collage | free and easy by Geek Fairy | Oct 17, 2013 | Picmonkey Tutorial, Tutorials | 0 comments This is a tutorial using free picmonkey to make a photo collage that is the right size for your Facebook cover image. If you want to do one for twitter then please see here Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email.