Many friends in your facebook uploads a picture in that picture a celebrity will comment or likes his/her photo. You know that it is fake and you may believe that he does this with some Adode Photoshop or image editor. You can easily generate fake facebook screenshots with web application thewallmachine.com ( http://www.thewallmachine.com ). To use this online application you should have facebook account and you have to give permission to this facebook app with some basic profile access permission.
Thewallmachine having all the options like facebook Status update, friendship with others, photo, relationship, likes of your friends and events
The below are mark zuckerberg likes The Wall machine page, Friendship status and relationship with others. You can modify the names here by editing the names.
Here is the fake photo album uploading and commenting screenshots, you can add comment with name and photo
In the wallmachine web application, you can save the project and use whenever it is required.