document.querySelectorAll('.expand_image').forEach(img => {
    const url = img.getAttribute('onclick')?.match(/expand_local\('[^']*','([^']*)'/)?.[1];
    url && img.setAttribute('href', url);
});

const posts = document.querySelectorAll('.post');
if (posts.length > 1) {
    const firstComment = posts[1].querySelector('.post_comment');
    firstComment && [...posts].slice(1).flatMap(post => [...post.querySelectorAll('.post_image_block')]).forEach(block => firstComment.appendChild(block));
}