Orange have launched theirs and T-Mobile's is already on the market.
You can add extra sound and a text message if you want.
Then send it to another mobile, email it or even send it to a website.
Camera mobiles cost more than £200 each and a picture message 40p a go
Noelle, 14, isn't at all sure they'll be worth the cash. She told Newsround: "They do cost a lot, a whole lot of money!"
Laura, 13, thinks "mobile companies just want to get money out of you."