This isn't a bad idea, it's just too small and the image quality (especially around your face (not your face itself, the detail and colours)) isn't up to scratch.
You need to use the full allowable resolution - or at least no less than what it takes to fill the screen top to bottom - to get enough detail to really judge the shot.
160x341 and 19K. Too small and poor compression quality. See the DPC tutorial regarding preparing photos for submission to learn how to improve the photo and your score.