diff --git a/src/angular-google-staticmaps.js b/src/angular-google-staticmaps.js
index 8ff96b5..71b4710 100644
--- a/src/angular-google-staticmaps.js
+++ b/src/angular-google-staticmaps.js
@@ -1,5 +1,5 @@
 /*!
- * angular-google-staticmaps <%= pkg.version %>
+ * angular-google-staticmaps 0.0.1
  * Pascal Hartig, weluse GmbH, http://weluse.de/
  * License: MIT
  */
@@ -9,7 +9,7 @@
   angular.module('wu.staticGmap', [])
     .controller('StaticGmapCtrl', function () {
       var BASE_URL = '//maps.googleapis.com/maps/api/staticmap?';
-      var STYLE_ATTRIBUTES = ['color', 'label', 'size'];
+      var STYLE_ATTRIBUTES = ['color', 'icon', 'label', 'size'];
 
       this.makeMarkerStrings = function makeMarkerStrings(markers) {
         return markers.map(function (marker) {
@@ -23,7 +23,7 @@
         });
       };
 
-      this.buildSourceString = function buildSourceString(attrs, markers) {
+      this.buildSourceString = function buildSourceString(attrs, markers, apiKey) {
         var markerStrings;
 
         if (markers) {
@@ -40,6 +40,10 @@
             }).join('&');
           }
 
+          if(attr === 'key'){
+            return 'key=' + apiKey;
+          }
+
           if (attr[0] !== '$' && attr !== 'alt') {
             return encodeURIComponent(attr) + '=' + encodeURIComponent(attrs[attr]);
           }
@@ -68,7 +72,9 @@
 
         link: function postLink(scope, element, attrs, ctrl) {
           var el = element[0];
-          var markers = $parse(attrs.markers)(scope);
+          var markers = $parse(attrs.markers)(scope),
+              apiKey = $parse(attrs.key)(scope);
+
 
           if (!attrs.sensor) {
             throw new Error('The `sensor` attribute is required.');
@@ -85,7 +91,7 @@
 
           el.width = parseInt(sizeBits[0], 10);
           el.height = parseInt(sizeBits[1], 10);
-          el.src = ctrl.buildSourceString(attrs, markers);
+          el.src = ctrl.buildSourceString(attrs, markers, apiKey);
         }
       };
     });