You don’t take a picture of you, you take a picture of yourself. Why? Because in a grammatically correct sentence, we use a reflexive pronoun (like yourself, herself, ourselves) when the pronoun refers to the subject of the sentence. In a grammatically incorrect sentence, such as this from the Yahoo! front page, anything goes:
The editors should chastise themselves for not correcting that sentence: The “Glee” star paired a photo of herself and Ryan Dorsey with a graphic.