뼈갤 대짤 변경 [ver.로아]

I just modified original script made by 모 하부부이

// ==UserScript==
// @name        뼈갤 대짤 변경 [ver.로아]
// @namespace   Violentmonkey Scripts
// @match       https://gall.dcinside.com/mini/board/lists/?id=virtualsquared
// @match       https://gall.dcinside.com/mini/board/lists/?id=virtualsquared
// @grant       GM_addStyle
// @version     1.1
// @author      ㅇㅇ
// @run-at      document-start
// @description I just modified original script made by 모 하부부이
// ==/UserScript==

// 해당 이미지 URL이 대짤로 바뀜
var imageUrl = "https://dcimg7.dcinside.co.kr/viewimage.php?id=3bb4c232f0d334b57aadd3b41bd436&no=24b0d769e1d32ca73de986fa1bd8233c5ccc78a5f3977a8f0904f2b2750731e07fa7fff0fe92425cf173d0c4645de0866695f33b54702292e64f211caf98482217b9a1bd6e014e07";
GM_addStyle('.mintro_imgbox .cover { background-image: url("'+imageUrl+'") !important; }');