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 selected at any time.
Repeat this step as necessary to add additional recipients.
From the Text Message field, enter a message.
Tap the Camera icon .
Tap All Photos.
Tap the album (e.g., Camera Roll, Selfies, etc.).
Tap the picture.
Tap Use (upper-right).
Tap the Send icon (in the text field).
The Send icon appears green in text messages or blue in iMessages.