gistfile1.m

- (void)share:(UIImage *)immagine completion:(void(^)(NSError* error))completion
{
    [FBRequestConnection startWithGraphPath:@"/me/albums" parameters:nil HTTPMethod:@"GET" completionHandler:^(FBRequestConnection *connection,i d result, NSError *error)
     {
         if (!error)
         {
             NSMutableDictionary* params = [[NSMutableDictionary alloc] init];
             [params setObject:UIImagePNGRepresentation(immagine) forKey:@"picture"];
             
             [FBRequestConnection startWithGraphPath:[NSString stringWithFormat:@"/%@/photos", result] parameters:params HTTPMethod:@"POST" completionHandler:^(FBRequestConnection *connection,result,NSError *error)
              {
                  if (!error)
                  {
                      // no error - do some...
                  }
                  
                  completion(error);
              }];
         }
         
         completion(error);
     }];
}