PoupegirlRibbonFilter.user.js

// ==UserScript==
// @name           PoupeegirlRibbonFilter
// @include        http://pupe.ameba.jp/cute/community/goods*
// @require        http://gist.github.com/3242.txt
// ==/UserScript==
var threshold = 5;

function filter(doc){
    $X('descendant-or-self::ul[@class="list"]/li', doc).forEach(function(e){
        var ribbons = parseInt(/[\d,]+/.exec($X('descendant-or-self::span[@class="ribbon"]', e)[0].innerHTML)[0].replace(/,/g, ""));
        if(ribbons > threshold)
            e.style.display = 'none';
    });
}

filter(document);

setTimeout(function(){
    if (window.AutoPagerize && window.AutoPagerize.addDocumentFilter) {
        window.AutoPagerize.addDocumentFilter(filter);
    }
}, 0);