tumblr_tagged_big_photo.user.js

// ==UserScript==
// @name           tumblr_tagged_big_photo
// @namespace      http://example.com/
// @include        http://www.tumblr.com/tagged*
// ==/UserScript==

(function(){
	GM_addStyle(<><![CDATA[
		.post_content > a:first-child {
			display: none !important;
		}
		.post_content > a:first-child + div {
			display: block !important;
		}
	]]></>.toString());
})();