Include photo caption

gistfile1.js

(function(blog, limit) {
limit = +limit || 10;

var scriptTags = document.getElementsByTagName('script');
var scriptNode = scriptTags[scriptTags.length - 1];
var recent = document.createElement("div");
scriptNode.parentNode.appendChild(recent);
recent.setAttribute("class", "widget");
recent.setAttribute("id", "TumblrRecentPosts");

var script = document.createElement("script");
script.src = "http://" + blog + "/api/read/json";
script.onload = function(data) {
    if(!tumblr_api_read) return;

    var response = tumblr_api_read.posts;
    var post;
    var len = Math.min(response.length, limit);
    var html = "<ul>";

    for(var i = 0; i < len; ++i) {
        post = response[i];
        var title = (post['regular-title'] || post['photo-caption']);
        if(title.length > 80) title = title.substr(0, 80) + "...";
        html += "<li><a href='" + (post['url-with-slug'] || post.url) + "'>" + 
            title + "</a></li>";
    }

    recent.innerHTML = html;
};

document.body.appendChild(script);

})("louisstow.tumblr.com", 30); //enter your settings here