[twitter-dev] background update by Oath

[sjoerdc]

i would like to update my background by using oath.

what ive got so far is this:

         $info = $toa->OAuthRequest('http://twitter.com/account/
update_profile_background_image.json', array('@image' =>
'@twitterback.jpg'));
                 $curl_handle = curl_init();
                 curl_setopt($curl_handle, CURLOPT_URL, "$info");
                 $buffer = curl_exec($curl_handle);
                 curl_close($curl_handle);

echo $info;


The echo will give me no error msg but some profile information.
but it will not update the background.

Can anybody help me out here?

thanks