I want to implement TwitPic image uploads (in PHP) using OAuth. In that the flow is like
That image upload is used for all the users. Is there any code or link to help full to me? Is there any link to guide me?
You can find the documentation here.
If you are not comfortable with using their API then you could use one of the following libraries.
PHP
TwitPic API for PHP - created by @meltingice
Services_TwitPic - created by Bill Shupp
Javascript
TwitPic API for JavaScript - by @meltingice
And you need to register for an API Key for making request.