From the Start screen, tap the Right arrow (located in the upper-right).
Tap new (plus (+) symbol located at the bottom of the display).
From the To field, enter a 10-digit mobile number. Alternately, enter a contact name. As the name is entered, a matching contact may appear and can be tapped at any time. Alternately, tap the plus (+) symbol (located in the upper-right), tap a contact then tap the appropriate mobile number (if applicable). Repeat this step as necessary to add additional recipients.
From the type a message field, enter a message.
Tap attach (located at the bottom of the display to the right of send).
Tap the appropriate picture folder (e.g. Camera Roll, Saved Pictures, etc.)
Tap a picture.
Tap send (located at the bottom of the display to the left of attach).