iOS table view cell animation

// with animation:
    NSURLRequest *ur = [NSURLRequest requestWithURL:imageURL];
    
    // to fade the image in automatically when it's loaded:
    // http://stackoverflow.com/questions/13974226/afnetworking-fade-animation-on-image-while-scrolling-uitableview
    
    [cell.imageView setImageWithURLRequest:ur placeholderImage:[UIImage imageNamed:@"placeholder.png"] success:^(NSURLRequest *request , NSHTTPURLResponse *response , UIImage *image ){
        
        if (request) {
            //Fade animation
            [UIView transitionWithView:cell.imageView
                              duration:1.0f
                               options:UIViewAnimationOptionTransitionCrossDissolve
                            animations:^{[cell.imageView setImage:image];}
                            completion:NULL];
        }
        
        
    }
                                   failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error){
                                       
                                   }];