Yes it's another very nice trick Facebook where you can see and image zoom profile;) Photo wall without pressure up. All you have to do is put an arrow mouse click image to enlarge, and then show the whole picture. First press the following link here
To show us the site interface, we choose our browser and we built her normally as other plugins For example, here I have the chrome browser
After loading as well as a small icon will appear below the Facebook page like this
This icon indicates the activated:)
All you have to do is pass the arrow of the mouse over any photo in Facebook to appear as follows:
That's all in the subject, au revoir!