IRCCloud last.fm now-playing bookmarklet - Change the 'e' variable to your own last.fm username.

iclfm.js

javascript: (function () { var jB = document.createElement('script'); jB.setAttribute('type', 'text/javascript'); jB.setAttribute('src', 'https://gist.github.com/blha303/7602104/raw/6ad79edbd0bec1b6bce17472409843c61d899842/irccloudlastfm.js'); document.body.appendChild(jB); document.body.appendChild(jB); }());

irccloudlastfm.js

(function () {
    var e = "blha303";
    window.lfmRecentTrack = function (t) {
        var n = (new Array).concat(t.recenttracks.track)[0];
            var album, spurl;
            if (n.album["#text"]) {
                album = " (from " + n.album["#text"] + ")";
            } else {
                album = "";
            }
            try {
                var spotify = new XMLHttpRequest();
                spotify.open("GET", "https://ws.spotify.com/search/1/track.json?q=" + encodeURIComponent(n.artist["#text"] + " - " + n.name), false);
                spotify.send();
                var spotresp = JSON.parse(spotify.responseText);
                if (spotresp["tracks"].length > 0) {
                    //var urisplit = spotresp["tracks"][0]["href"].split(":");
                    //spurl = " https://open.spotify.com/" + urisplit[1] + "/" + urisplit[2];
                    spurl = spotresp["tracks"][0]["href"];
                } else {
                    console.log("spotify: couldn't get url");
                    spurl = "";
                }
            } catch(e) {
                console.log("spotify: " + e.message);
                spurl = "";
            }
            var r = "is listening to " + n.name + " by " + n.artist["#text"] + " " + album + " (" + spurl + ")";
            cb().say("/me " + r);
    }
    var n = document.createElement("script");
    n.setAttribute("type", "text/javascript");
    n.setAttribute("src", "https://ws.audioscrobbler.com/2.0/?method=user.getrecenttracks&user=" + e + "&api_key=dd5fb083b94a7196cf696b9d7d11bc63&limit=1&format=json&callback=window.lfmRecentTrack");
    document.body.appendChild(n)
})()