diff --git a/dist/LeafletEnvironmentalLayers.js b/dist/LeafletEnvironmentalLayers.js
index 31a1fee78..6e66f63dd 100644
--- a/dist/LeafletEnvironmentalLayers.js
+++ b/dist/LeafletEnvironmentalLayers.js
@@ -25914,11 +25914,13 @@ L.LayerGroup.environmentalLayers = L.LayerGroup.extend(
       this._map = map;
       this.overlayMaps = {};
       this.groupedOverlayMaps = {}; // For grouping layers in the new menu
-	  var defaultBaseLayer = L.tileLayer('https://a.tiles.mapbox.com/v3/jywarren.map-lmrwb2em/{z}/{x}/{y}.png', {
-        attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
+      var defaultBaseLayer = L.tileLayer('https://api.mapbox.com/styles/v1/jywarren/ckj06ujnc1nmi19nuelh46pr9/tiles/{z}/{x}/{y}?access_token=pk.eyJ1Ijoianl3YXJyZW4iLCJhIjoiVzVZcGg3NCJ9.BJ6ArUPuTs1JT9Ssu3K8ig', {
+        tileSize: 512,
+        zoomOffset: -1,
+        attribution: '© <a href="https://apps.mapbox.com/feedback/">Mapbox</a> © <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
       });
-	  var baseMaps = this.options.baseLayers ? this.options.baseLayers : { "Grey-scale": defaultBaseLayer.addTo(map) };
-		
+      var baseMaps = this.options.baseLayers ? this.options.baseLayers : { "Grey-scale": defaultBaseLayer.addTo(map) };
+
       for (let layer of this.options.layers.include) {
         if (this.options.layers0.includes(layer)) {
           this.overlayMaps[layer] = window['L']['layerGroup'][layer]();
@@ -26125,7 +26127,6 @@ L.LayerGroup.PLpeopleLayer = L.LayerGroup.extend(
 
       function popupDisplay(obj) {
         var popup_content = "";
-        // if (image_url) popup_content += "<img src='" + options.host + image_url + "' class='popup-thumb' />"; // not available in the api yet
         popup_content += "<div class='popup-two-column'>";
           if (obj.image_url) popup_content += "<div class='popup-shrink-column'><img src='" + obj.image_url + "' class='profile-thumb' /></div>";
           popup_content += "<div class='popup-stretch-column'><h5><a href='https://publiclab.org" + obj.url + "'>@" + obj.name + "</a></h5>";
@@ -27229,12 +27230,11 @@ L.LayerGroup.LayerCode = L.LayerGroup.extend(
       }
 
       if (this.layer == 'skytruth') {
-        var redDotIcon =new L.icon.skyTruthIcon();
         var lat = data.lat;
         var lng = data.lng;
         var title = data.title;
         var url = data.link;
-        var defaultMarker = L.marker([lat, lng], {icon: redDotIcon});
+        var defaultMarker = L.circleMarker(L.latLng([lat, lng]), { radius: 8, weight: 2, fillOpacity: 0.6, color: '#d20000', fillColor: '#f00' });
         var minimalMarker = L.circleMarker(L.latLng([lat, lng]), { radius: 5, weight: 1, fillOpacity: 1, color: '#7c7c7c', fillColor: '#f00' });
         var content = '<a href='+url+'>' +title + '</a><br>' +
         '<br><strong> lat: ' + lat +
@@ -27559,19 +27559,6 @@ L.icon.fracTrackerIcon = function() {
   return new L.Icon.FracTrackerIcon();
 };
 
-L.Icon.SkyTruthIcon = L.Icon.extend({
-  options: {
-    iconUrl: 'https://www.clker.com/cliparts/T/G/b/7/r/A/red-dot.svg',
-    iconSize: [30, 20],
-    iconAnchor: [20, 0],
-    popupAnchor: [-5, -5],
-  },
-});
-
-L.icon.skyTruthIcon = function() {
-  return new L.Icon.SkyTruthIcon();
-};
-
 L.Icon.OdorReportIcon = L.Icon.extend({
   options: {
     iconUrl: 'https://www.clker.com/cliparts/T/3/6/T/S/8/ink-splash-md.png',
diff --git a/example/layers.js b/example/layers.js
index 09de22975..c16152763 100644
--- a/example/layers.js
+++ b/example/layers.js
@@ -7,12 +7,11 @@ var map = L.map('map', {
   maxBoundsViscosity: 0.75,
 }).setView([43, -83], 3);
 map.options.minZoom = 3;
-var baselayer1 = L.tileLayer(
-  'https://api.tiles.mapbox.com/v4/mapbox.emerald/{z}/{x}/{y}.png?access_token=pk.eyJ1Ijoic2FnYXJwcmVldDk3IiwiYSI6ImNqaXhlZjgwaDJtb3EzcW1zdDdwMzJkODcifQ.MA2YIv6VpGLLAo-QYUudTA',
-  {
-    attribution:
-            '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
-  },
+var baselayer1 = L.tileLayer('https://api.mapbox.com/styles/v1/jywarren/ckj06ujnc1nmi19nuelh46pr9/tiles/{z}/{x}/{y}?access_token=pk.eyJ1Ijoianl3YXJyZW4iLCJhIjoiVzVZcGg3NCJ9.BJ6ArUPuTs1JT9Ssu3K8ig', {
+  tileSize: 512,
+  zoomOffset: -1,
+  attribution: '© <a href="https://apps.mapbox.com/feedback/">Mapbox</a> © <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
+},
 ).addTo(map);
 var baselayer3 = L.tileLayer(
   'https://api.tiles.mapbox.com/v4/mapbox.streets-basic/{z}/{x}/{y}.png?access_token=pk.eyJ1Ijoic2FnYXJwcmVldDk3IiwiYSI6ImNqaXhlZjgwaDJtb3EzcW1zdDdwMzJkODcifQ.MA2YIv6VpGLLAo-QYUudTA',
diff --git a/package.json b/package.json
index 393591d20..2af0bcb51 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "leaflet-environmental-layers",
-  "version": "2.4.0",
+  "version": "2.4.1",
   "description": "",
   "main": "index.js",
   "directories": {
diff --git a/src/AllLayers.js b/src/AllLayers.js
index 77d2f432f..6416365fc 100644
--- a/src/AllLayers.js
+++ b/src/AllLayers.js
@@ -68,11 +68,13 @@ L.LayerGroup.environmentalLayers = L.LayerGroup.extend(
       this._map = map;
       this.overlayMaps = {};
       this.groupedOverlayMaps = {}; // For grouping layers in the new menu
-	  var defaultBaseLayer = L.tileLayer('https://a.tiles.mapbox.com/v3/jywarren.map-lmrwb2em/{z}/{x}/{y}.png', {
-        attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
+      var defaultBaseLayer = L.tileLayer('https://api.mapbox.com/styles/v1/jywarren/ckj06ujnc1nmi19nuelh46pr9/tiles/{z}/{x}/{y}?access_token=pk.eyJ1Ijoianl3YXJyZW4iLCJhIjoiVzVZcGg3NCJ9.BJ6ArUPuTs1JT9Ssu3K8ig', {
+        tileSize: 512,
+        zoomOffset: -1,
+        attribution: '© <a href="https://apps.mapbox.com/feedback/">Mapbox</a> © <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
       });
-	  var baseMaps = this.options.baseLayers ? this.options.baseLayers : { "Grey-scale": defaultBaseLayer.addTo(map) };
-		
+      var baseMaps = this.options.baseLayers ? this.options.baseLayers : { "Grey-scale": defaultBaseLayer.addTo(map) };
+
       for (let layer of this.options.layers.include) {
         if (this.options.layers0.includes(layer)) {
           this.overlayMaps[layer] = window['L']['layerGroup'][layer]();