how to change my profile picture?

[Riki]

You could choose either a cartoon or a photo avatar

Cartoon, this way is fast, straight forward and easy. Go below, create your avatar and save. Then, click your current default avatar then click edit my preferences and you will see where to check use avatar.
http://avatars.yahoo.com/
You could also create a personal avatar below save it to you pc then upload it as a photo.
http://freeavatarsonline.com/
Photo

Click on your current avatar then click edit my preferences to the right of your default avatar click update photo. Follow the prompts to upload it from your pc.
from Yahoo
http://help.yahoo.com/kb/index?page=cont...=PROD_ANSW