I am no longer confused! Here is a quick tutorial in how to post images to Twitpic and Twitter when using OAuth. I'm indebted to Steve Corona of Twitpic, for his help with this. You can see the full code on Dabr's Google Code page. First of all, you'll need to have enabled OAuth for your Twitter client. I use Abraham's excellent OAuth libraries for PHP. This tutorial assumes you already have OAuth
![HOWTO: Twitpic and OAuth](https://cdn-ak-scissors.b.st-hatena.com/image/square/2ff84c6caf608e7d68ee6740d6ef71e4dbfc8a6b/height=288;version=1;width=512/https%3A%2F%2Fshkspr.mobi%2Fblog%2Fwp-content%2Fuploads%2F2023%2F07%2Fcropped-avatar.jpeg)