diff --git a/.gitignore b/.gitignore
index 2b92e77..a82e296 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,5 +8,4 @@ vendor/bundle
 .DS_Store
 Gemfile.lock
 usb-butter*
-simulated-usb-butter/appstore/*
-simulated-usb-butter/osm-map-files/*
\ No newline at end of file
+simulated-usb-butter/appstore/*
\ No newline at end of file
diff --git a/simulated-usb-butter/index.html b/simulated-usb-butter/index.html
index 0d6e553..d7e80e3 100644
--- a/simulated-usb-butter/index.html
+++ b/simulated-usb-butter/index.html
@@ -47,6 +47,12 @@ layout: empty
                     <td class="s">- &nbsp;</td>
                     <td class="t">Directory</td>
                 </tr>
+                <tr class="d">
+                    <td class="n"><a href="osm-map-files/">osm-map-files</a>/</td>
+                    <td class="m">2025-Feb-18 14:02:54</td>
+                    <td class="s">- &nbsp;</td>
+                    <td class="t">Directory</td>
+                </tr>
                 <tr class="d">
                     <td class="n"><a href="Learn/">Learn</a>/</td>
                     <td class="m">2024-Jun-12 14:58:54</td>
diff --git a/simulated-usb-butter/osm-map-files/Virgin-islands-british_centralamerica_2.obf.zip b/simulated-usb-butter/osm-map-files/Virgin-islands-british_centralamerica_2.obf.zip
new file mode 100644
index 0000000..1acfe90
Binary files /dev/null and b/simulated-usb-butter/osm-map-files/Virgin-islands-british_centralamerica_2.obf.zip differ
diff --git a/simulated-usb-butter/osm-map-files/index.html b/simulated-usb-butter/osm-map-files/index.html
new file mode 100644
index 0000000..f08941a
--- /dev/null
+++ b/simulated-usb-butter/osm-map-files/index.html
@@ -0,0 +1,241 @@
+---
+layout: empty
+---
+
+<!-- This simulates a drive being plugged in.  CI moves this into place as /usb-butter.  You can too. -->
+<!-- Mostly, this is a copy paste of the real dirlisting.  We modify the JS and CSS links to load ones from this repo. -->
+
+
+<!DOCTYPE html>
+<html>
+
+<head>
+    <title>Index of /usb-butter/osm-map-files/</title>
+    <meta name="viewport" content="initial-scale=1">
+    <link rel="stylesheet" type="text/css" href="{{ site.baseurl }}/assets/css/butter-dir-listing.css">
+    <script src="{{ site.baseurl }}/assets/js/butter-dir-listing.js"></script>
+</head>
+
+<body>
+    <h2>Index of /usb-butter/osm-map-files/</h2>
+    <div class="list">
+        <table summary="Directory Listing" cellpadding="0" cellspacing="0">
+            <thead>
+                <tr>
+                    <th class="n">Name</th>
+                    <th class="m">Last Modified</th>
+                    <th class="s">Size</th>
+                    <th class="t">Type</th>
+                </tr>
+            </thead>
+            <tbody>
+                <tr class="d">
+                    <td class="n"><a href="../">..</a>/</td>
+                    <td class="m">&nbsp;</td>
+                    <td class="s">- &nbsp;</td>
+                    <td class="t">Directory</td>
+                </tr>
+                <tr>
+                    <td class="n"><a href="Virgin-islands-british_centralamerica_2.obf.zip">Virgin-islands-british_centralamerica_2.obf.zip</a></td>
+                    <td class="m">2024-Jun-12 14:44:15</td>
+                    <td class="s">381.1K</td>
+                    <td class="t">application/pdf</td>
+                </tr>
+            </tbody>
+        </table>
+    </div>
+    <div class="foot">lighttpd/1.4.69</div>
+
+    <script type="text/javascript">
+        // <!--
+
+        var click_column;
+        var name_column = 0;
+        var date_column = 1;
+        var size_column = 2;
+        var type_column = 3;
+        var prev_span = null;
+
+        if (typeof (String.prototype.localeCompare) === 'undefined') {
+            String.prototype.localeCompare = function (str, locale, options) {
+                return ((this == str) ? 0 : ((this > str) ? 1 : -1));
+            };
+        }
+
+        if (typeof (String.prototype.toLocaleUpperCase) === 'undefined') {
+            String.prototype.toLocaleUpperCase = function () {
+                return this.toUpperCase();
+            };
+        }
+
+        function get_inner_text(el) {
+            if ((typeof el == 'string') || (typeof el == 'undefined'))
+                return el;
+            if (el.innerText)
+                return el.innerText;
+            else {
+                var str = "";
+                var cs = el.childNodes;
+                var l = cs.length;
+                for (var i = 0; i < l; i++) {
+                    if (cs[i].nodeType == 1) str += get_inner_text(cs[i]);
+                    else if (cs[i].nodeType == 3) str += cs[i].nodeValue;
+                }
+            }
+            return str;
+        }
+
+        function isdigit(c) {
+            return (c >= '0' && c <= '9');
+        }
+
+        function unit_multiplier(unit) {
+            return (unit == 'K') ? 1000
+                : (unit == 'M') ? 1000000
+                    : (unit == 'G') ? 1000000000
+                        : (unit == 'T') ? 1000000000000
+                            : (unit == 'P') ? 1000000000000000
+                                : (unit == 'E') ? 1000000000000000000 : 1;
+        }
+
+        var li_date_regex = /(\d{4})-(\w{3})-(\d{2}) (\d{2}):(\d{2}):(\d{2})/;
+
+        var li_mon = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
+            'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+
+        function li_mon_num(mon) {
+            var i; for (i = 0; i < 12 && mon != li_mon[i]; ++i); return i;
+        }
+
+        function li_date_cmp(s1, s2) {
+            var dp1 = li_date_regex.exec(s1)
+            var dp2 = li_date_regex.exec(s2)
+            for (var i = 1; i < 7; ++i) {
+                var cmp = (2 != i)
+                    ? parseInt(dp1[i]) - parseInt(dp2[i])
+                    : li_mon_num(dp1[2]) - li_mon_num(dp2[2]);
+                if (0 != cmp) return cmp;
+            }
+            return 0;
+        }
+
+        function sortfn_then_by_name(a, b, sort_column) {
+            if (sort_column == name_column || sort_column == type_column) {
+                var ad = (a.cells[type_column].innerHTML === 'Directory');
+                var bd = (b.cells[type_column].innerHTML === 'Directory');
+                if (ad != bd) return (ad ? -1 : 1);
+            }
+            var at = get_inner_text(a.cells[sort_column]);
+            var bt = get_inner_text(b.cells[sort_column]);
+            var cmp;
+            if (sort_column == name_column) {
+                if (at == '../') return -1;
+                if (bt == '../') return 1;
+            }
+            if (a.cells[sort_column].className == 'int') {
+                cmp = parseInt(at) - parseInt(bt);
+            } else if (sort_column == date_column) {
+                var ad = isdigit(at.substr(0, 1));
+                var bd = isdigit(bt.substr(0, 1));
+                if (ad != bd) return (!ad ? -1 : 1);
+                cmp = li_date_cmp(at, bt);
+            } else if (sort_column == size_column) {
+                var ai = parseInt(at, 10) * unit_multiplier(at.substr(-1, 1));
+                var bi = parseInt(bt, 10) * unit_multiplier(bt.substr(-1, 1));
+                if (at.substr(0, 1) == '-') ai = -1;
+                if (bt.substr(0, 1) == '-') bi = -1;
+                cmp = ai - bi;
+            } else {
+                cmp = at.toLocaleUpperCase().localeCompare(bt.toLocaleUpperCase());
+                if (0 != cmp) return cmp;
+                cmp = at.localeCompare(bt);
+            }
+            if (0 != cmp || sort_column == name_column) return cmp;
+            return sortfn_then_by_name(a, b, name_column);
+        }
+
+        function sortfn(a, b) {
+            return sortfn_then_by_name(a, b, click_column);
+        }
+
+        function resort(lnk) {
+            var span = lnk.childNodes[1];
+            var table = lnk.parentNode.parentNode.parentNode.parentNode;
+            var rows = new Array();
+            for (var j = 1; j < table.rows.length; j++)
+                rows[j - 1] = table.rows[j];
+            click_column = lnk.parentNode.cellIndex;
+            rows.sort(sortfn);
+
+            if (prev_span != null) prev_span.innerHTML = '';
+            if (span.getAttribute('sortdir') == 'down') {
+                span.innerHTML = '&uarr;';
+                span.setAttribute('sortdir', 'up');
+                rows.reverse();
+            } else {
+                span.innerHTML = '&darr;';
+                span.setAttribute('sortdir', 'down');
+            }
+            for (var i = 0; i < rows.length; i++)
+                table.tBodies[0].appendChild(rows[i]);
+            prev_span = span;
+        }
+
+        function init_sort(init_sort_column, ascending) {
+            var tables = document.getElementsByTagName("table");
+            for (var i = 0; i < tables.length; i++) {
+                var table = tables[i];
+                //var c = table.getAttribute("class")
+                //if (-1 != c.split(" ").indexOf("sort")) {
+                var row = table.rows[0].cells;
+                for (var j = 0; j < row.length; j++) {
+                    var n = row[j];
+                    if (n.childNodes.length == 1 && n.childNodes[0].nodeType == 3) {
+                        var link = document.createElement("a");
+                        var title = n.childNodes[0].nodeValue.replace(/:$/, "");
+                        link.appendChild(document.createTextNode(title));
+                        link.setAttribute("href", "#");
+                        link.setAttribute("class", "sortheader");
+                        link.setAttribute("onclick", "resort(this);return false;");
+                        var arrow = document.createElement("span");
+                        arrow.setAttribute("class", "sortarrow");
+                        arrow.appendChild(document.createTextNode(":"));
+                        link.appendChild(arrow)
+                        n.replaceChild(link, n.firstChild);
+                    }
+                }
+                var lnk = row[init_sort_column].firstChild;
+                if (ascending) {
+                    var span = lnk.childNodes[1];
+                    span.setAttribute('sortdir', 'down');
+                }
+                resort(lnk);
+                //}
+            }
+        }
+
+        function init_sort_from_query() {
+            var urlParams = new URLSearchParams(location.search);
+            var c = 0;
+            var o = 0;
+            switch (urlParams.get('C')) {
+                case "N": c = 0; break;
+                case "M": c = 1; break;
+                case "S": c = 2; break;
+                case "T":
+                case "D": c = 3; break;
+            }
+            switch (urlParams.get('O')) {
+                case "A": o = 1; break;
+                case "D": o = 0; break;
+            }
+            init_sort(c, o);
+        }
+        init_sort_from_query();
+
+        // -->
+    </script>
+
+</body>
+
+</html>
\ No newline at end of file

Name	Last Modified	Size	Type
../		-	Directory
Virgin-islands-british_centralamerica_2.obf.zip	2024-Jun-12 14:44:15	381.1K	application/pdf