sd jackson

hi there, quick searching on Google brings me here.and Im currently working on image rotating,does GreenSock provide any source codes written in .Net? If yes ,Plz give me some detail guide,thx in adv.as a beginner in image programming ,I came across so-called "open source"likeimage rotating on the web.But it is not turely free. Free image rotation lib is in need .Any help is appreciated. reagards