upload a picture on any photo-sharing service (say. yfrog) using twitter access token and tweet it with some text on twitter

I am designing an app in php, Codeigniter to be specific and I wanted to know if there is any way I can tweet with picture ... I have seen many third party softwares doing this. S开发者_运维问答o basically my question is can I using twitter oauth access token to upload a picture on any photo sharing service and post it on twitter timeline

Thanks

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Twitpic and yfrog both support "Oauth echo": https://dev.twitter.com/docs/auth/oauth/oauth-echo