Click the Messenger menu in Messenger and select Preferences. Select the Display Image category and click the Change Default button.
Click the Messenger menu in Messenger and select Change My Display Image.
Select the Share my picture option and click the Select a Picture graphic.
Select a picture or use one of your own by clicking the Browse button. (You can browse your hard drive for a picture. The picture must be a (.bmp, .jpep, .png, or .gif).