Yes, you should be able to do so presuming that you are on a wireless network or cellular network and the pictures are of a size that is acceptable to the email service that you are using. Be aware that many free email services (such as Yahoo or Hotmail) limit the size of attachments, so if you get a message back saying that the email could not be sent due to the size of your pictures, you may need to use something else (such as GMail) or resize your pictures using a lower resolution so as to cut down on transmission size.