diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f33d40..24fdc25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ### Change Log for Node-RED Worldmap
 
+ - v2.15.1 - Fix panit command to work, try to use alt units, popup alignments.
  - v2.15.0 - let speed be text and specify units if required (kt,kn,knots,mph,kmh,kph) default m/s.
  - v2.14.0 - Let geojson features be clickable if added as overlay.
  - v2.13.4 - Fix list of map choices to be in sync. Fix popup auto sizing.
diff --git a/README.md b/README.md
index 68bf11e..26358d5 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ map web page for plotting "things" on.
 
 ### Updates
 
+- v2.15.1 - Fix panit command to work, try to use alt units, popup alignments.
 - v2.15.0 - let speed be text and specify units if required (kt,kn,knots,mph,kmh,kph) default m/s.
 - v2.14.0 - Let geojson features be clickable if added as overlay.
 - v2.13.4 - Fix list of map choices to be in sync. Fix popup auto sizing.
@@ -394,6 +395,7 @@ Optional properties include
  - **heatmap** - set heatmap options object see https://github.com/Leaflet/Leaflet.heat#reference
  - **clear** - layer name - to clear a complete layer and remove from layer menu - `{"command":{"clear":"myOldLayer"}}`
  - **panlock** - lock the map area to the current visible area. - `{"command":{"panlock":true}}`
+ - **panit** - auto pan to the latest marker updated.  - `{"command":{"panit":true}}`
  - **zoomlock** - locks the zoom control to the current value and removes zoom control - `{"command":{"zoomlock":true}}`
  - **hiderightclick** - disables the right click that allows adding or deleting points on the map - `{"command":{"hiderightclick":true}}`
  - **coords** - turns on and off a display of the current mouse co-ordinates. Values can be "deg", "dms", or "none" (default). - `{"command":{"coords":"deg"}}`
diff --git a/package.json b/package.json
index 0eddb22..4fa2cfd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "2.15.0",
+    "version": "2.15.1",
     "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
     "dependencies": {
         "cgi": "0.3.1",
diff --git a/worldmap/worldmap.js b/worldmap/worldmap.js
index 1166691..4d8d563 100644
--- a/worldmap/worldmap.js
+++ b/worldmap/worldmap.js
@@ -1748,9 +1748,22 @@ function setMarker(data) {
         });
     }
 
+    // tidy up altitude
+    if (data.hasOwnProperty("alt")) {
+        var reft = new RegExp('feet|ft','i');
+        var refm = new RegExp('metres|m','i');
+        if ( reft.test(""+data.alt) ) {
+            data.alt = (""+parseFloat(data.alt)).toFixed(2) + " ft";
+        }
+        else if ( refm.test(""+data.alt) ) {
+            data.alt = (""+parseFloat(data.alt)).toFixed(2) + " m";
+        }
+        else {
+            data.alt = (""+parseFloat(data.alt)).toFixed(2);
+        }
+    }
+
     // remove icon from list of properties, then add all others to popup
-    if (data.hasOwnProperty("alt")) { data.alt = (1*data.alt).toFixed(2); }
-    //if (data.hasOwnProperty("speed")) { data.speed = parseFloat(data.speed).toFixed(2); }
     if (data.hasOwnProperty("SIDC") && data.hasOwnProperty("options")) { delete data.options; }
     if (data.hasOwnProperty("icon")) { delete data.icon; }
     if (data.hasOwnProperty("iconColor")) { delete data.iconColor; }
@@ -1763,7 +1776,7 @@ function setMarker(data) {
         delete data.photoUrl;
     }
     if (data.hasOwnProperty("videoUrl")) {
-        words += '<video controls muted autoplay width="320"><source src="'+data.videoUrl+'" type="video/mp4">Your browser does not support the video tag.</video>';
+        words += '<video controls muted autoplay width="320" height="240"><source src="'+data.videoUrl+'" type="video/mp4">Your browser does not support the video tag.</video>';
         delete data.videoUrl;
     }
     if (data.hasOwnProperty("ttl")) {  // save expiry time for this marker
@@ -1777,21 +1790,23 @@ function setMarker(data) {
     }
     if (data.hasOwnProperty("weblink")) {
         if (!Array.isArray(data.weblink) || !data.weblink.length) {
-          if (typeof data.weblink === "string") {
-              words += "<b><a href='"+ data.weblink + "' target='_new'>more information...</a></b><br/>";
-          } else {
-              var tgt = data.weblink.target || "_new";
-              words += "<b><a href='"+ data.weblink.url + "' target='"+ tgt + "'>" + data.weblink.name + "</a></b><br/>";
-          }
-        } else {
-          data.weblink.forEach(function(weblink){
-            if (typeof weblink === "string") {
-                words += "<b><a href='"+ weblink + "' target='_new'>more information...</a></b><br/>";
+            if (typeof data.weblink === "string") {
+                words += "<b><a href='"+ data.weblink + "' target='_new'>more information...</a></b><br/>";
             } else {
-                var tgt = weblink.target || "_new";
-                words += "<b><a href='"+ weblink.url + "' target='"+ tgt + "'>" + weblink.name + "</a></b><br/>";
+                var tgt = data.weblink.target || "_new";
+                words += "<b><a href='"+ data.weblink.url + "' target='"+ tgt + "'>" + data.weblink.name + "</a></b><br/>";
             }
-          });
+        }
+        else {
+            data.weblink.forEach(function(weblink){
+                if (typeof weblink === "string") {
+                    words += "<b><a href='"+ weblink + "' target='_new'>more information...</a></b><br/>";
+                }
+                else {
+                    var tgt = weblink.target || "_new";
+                    words += "<b><a href='"+ weblink.url + "' target='"+ tgt + "'>" + weblink.name + "</a></b><br/>";
+                }
+            });
         }
         delete data.weblink;
     }
@@ -1929,7 +1944,7 @@ function setMarker(data) {
             layers[lay].addLayer(polygon);
         }
     }
-    if (panit) { map.setView(ll,map.getZoom()); }
+    if (panit === true) { map.setView(ll,map.getZoom()); }
     if (p === true) { marker.openPopup(); }
 }
 
@@ -1946,7 +1961,7 @@ function doCommand(cmd) {
         doTidyUp(cmd.clear);
     }
     if (cmd.hasOwnProperty("panit")) {
-        if (cmd.panit == "true") { panit = true; }
+        if (cmd.panit == true || cmd.panit === "true") { panit = true; }
         else { panit = false; }
         document.getElementById("panit").checked = panit;
     }