Pelotudes.user.js

// ==UserScript==
// @name          Waifu
// @author        otro
// @include       http://taringa.net/*
// @include       https://taringa.net/*
// @include       http://*.taringa.net/*
// @include       https://*.taringa.net/*
// @run-at        document-start
// @version       1
// ==/UserScript==
(function() {var css = [
	"body::after {",
    "position: fixed !important;",
    "content: url('https://k60.kn3.net/0/B/3/2/B/C/F2F.png');", 
    "bottom: -3px !important;", 
    "right: 0px !important;", 
    "opacity: 0.90;", 
    "z-index: 10;", 
    "}" 

].join("\n");
if (typeof GM_addStyle != "undefined") {
	GM_addStyle(css);
} else if (typeof PRO_addStyle != "undefined") {
	PRO_addStyle(css);
} else if (typeof addStyle != "undefined") {
	addStyle(css);
} else {
	var node = document.createElement("style");
	node.type = "text/css";
	node.appendChild(document.createTextNode(css));
	var heads = document.getElementsByTagName("head");
	if (heads.length > 0) {
		heads[0].appendChild(node); 
	} else {
		document.documentElement.appendChild(node);
	}
}
})();