You can add an image to your message using the parameter media_url
.
# Download the twilio-python library from http://twilio.com/docs/libraries
from twilio.rest import TwilioRestClient
# Find these values at https://twilio.com/user/account
account_sid = "ACXXXXXXXXXXXXXXXXX"
auth_token = "YYYYYYYYYYYYYYYYYY"
client = TwilioRestClient(account_sid, auth_token)
message = client.messages.create(
to="+12316851234",
from_="TWILIO_NUMBER",
body="Hello there, StackOverflow!",
media_url=[
'https://demo.twilio.com/owl.png',
'https://demo.twilio.com/logo.png'])