Is there a way to update pictures to TwitPic using MGTwitterEngine

I updating my project t开发者_JS百科o use twitter oauth instead of basic auth. I was uploading pictures to twitPic using the basic auth, how to do that with oauth?

I am using MGTwitterEngine for doing the oauth.

I found this about using another library: Having problems with uploading photos to TwitPic using OAuth in Objective C on the iPhone

but when I try their demo, it is not working, the response is 401.

not sure what oauth header should be?

any idea how to do this?

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I found a great library for doing this: GSTwitPicEngine https://github.com/Gurpartap/GSTwitPicEngine, and it is easy to use.