<script src="https://www.google.com/jsapi"></script>
<script>
google.load('jquery', '1.7');
</script>
<script>(_JQ17_=jQuery)(function(){$=jQuery=_JQ17_;});</script>
<script>
var isMSIE = /*@cc_on!@*/
false;
function FBCmt(a, e) {
var b = (typeof (a) == "undefined" ? "410" : "" + a);
var f = (typeof (e) == "undefined" ? "5" : "" + 5);
var d = '<script src="http://connect.facebook.net/ja_JP/all.js#xfbml=1" defer="defer"><\/script>';
if ($("body#mainIndex").length) {
$(function () {
$("div.entry").each(function (k, l) {
var g = $(".foot a", l);
var j = "";
for (var k = 0; k < g.length; k++) {
var h = $(g).eq(k).attr("href");
if (h.match(/^http\:\/\/ameblo\.jp\/.+?\/(entry\d*)\-(\d+)\.html.*$/) || h.match(/^http\:\/\/secret\.ameba\.jp\/.+?\/(amemberentry)\-(\d+)\.html.*$/)) {
j = h;
break
}
}
$("div.subContents", l).append('<div style="padding:0;width:' + b + 'px"><fb:comments href="' + j + '" num_posts="' + f + '" width="' + b + '"></fb:comments></div>')
});
if (isMSIE) {
$("body").append(d)
}
})
} else {
$(function () {
$(".skinArticle").each(function (h, j) {
var g = $("a.skinArticleTitle", j).attr("href");
$(".skinArticleBody2", j).append('<div style="padding:0;width:' + b + 'px"><fb:comments href="' + g + '" num_posts="' + f + '" width="' + b + '"></fb:comments></div>')
})
})
}
document.write(d)
};
</script>
<script>FBCmt()</script>
コレをまるっとフリープラグインに追加してください。