Trimming photo to a specific size with a php script.

NSString *str=[NSString stringWithFormat: @"http://iphone.jiujitsucoach.com/includes/timthumb.php?src=%@&h=150&w=150",[imageArray objectAtIndex:currentIndex_]];
   
    NSURL * imageURL = [NSURL URLWithString:str];
    NSData * imageData = [NSData dataWithContentsOfURL:imageURL];
    UIImage * image = [UIImage imageWithData:imageData];