Apologies can go a long way toward healing hurt or angry feelings. It takes courage to step up and admit what you did was wrong. An apology shouldn't be a way to protect our own image or be liked.If you can't bring yourself to have a conversation in person, write a name in the picture and express your true and genuine feelings that you are sorry for what you did. this is the best way to apologize for your mistake. Generate a new picture with his or her name written on the picture and share with them through any social network. and don't forget to share with your friends circle.