diff --git a/source/website/featureset.js b/source/website/featureset.js
index e746337..d7670ea 100644
--- a/source/website/featureset.js
+++ b/source/website/featureset.js
@@ -1,4 +1,4 @@
 export const FeatureSet =
 {
-    EnvironmentMap : false
+    EnvironmentMap : true
 };
diff --git a/source/website/sidebarsettingspanel.js b/source/website/sidebarsettingspanel.js
index 4c47be8..4c79438 100644
--- a/source/website/sidebarsettingspanel.js
+++ b/source/website/sidebarsettingspanel.js
@@ -119,7 +119,7 @@ class EnvironmentMapPopup extends PopupDialog
             }
         } else if (shadingType === ShadingType.Physical) {
             let checkboxDiv = AddDiv (contentDiv, 'ov_environment_map_checkbox');
-            let backgroundIsEnvMapCheckbox = AddCheckbox (checkboxDiv, 'use_as_background', 'Use as background', settings.backgroundIsEnvMap, () => {
+            let backgroundIsEnvMapCheckbox = AddCheckbox (checkboxDiv, 'use_as_background', 'Use as background image', settings.backgroundIsEnvMap, () => {
                 settings.backgroundIsEnvMap = backgroundIsEnvMapCheckbox.checked;
                 callbacks.onEnvironmentMapChange ();
             });
diff --git a/website/assets/envmaps/citadella.jpg b/website/assets/envmaps/citadella.jpg
index 69d4013..70c4424 100644
Binary files a/website/assets/envmaps/citadella.jpg and b/website/assets/envmaps/citadella.jpg differ
diff --git a/website/assets/envmaps/fishermans_bastion.jpg b/website/assets/envmaps/fishermans_bastion.jpg
index d24a387..56df3d3 100644
Binary files a/website/assets/envmaps/fishermans_bastion.jpg and b/website/assets/envmaps/fishermans_bastion.jpg differ
diff --git a/website/assets/envmaps/ice_river.jpg b/website/assets/envmaps/ice_river.jpg
index e86ccae..c5f3df1 100644
Binary files a/website/assets/envmaps/ice_river.jpg and b/website/assets/envmaps/ice_river.jpg differ
diff --git a/website/assets/envmaps/maskonaive.jpg b/website/assets/envmaps/maskonaive.jpg
index e83e7d1..0866bec 100644
Binary files a/website/assets/envmaps/maskonaive.jpg and b/website/assets/envmaps/maskonaive.jpg differ
diff --git a/website/assets/envmaps/park.jpg b/website/assets/envmaps/park.jpg
index 12d689f..e660559 100644
Binary files a/website/assets/envmaps/park.jpg and b/website/assets/envmaps/park.jpg differ
diff --git a/website/assets/envmaps/teide.jpg b/website/assets/envmaps/teide.jpg
index c03abac..08de6fe 100644
Binary files a/website/assets/envmaps/teide.jpg and b/website/assets/envmaps/teide.jpg differ
diff --git a/website/css/sidebar.css b/website/css/sidebar.css
index 9f565c0..a849e74 100644
--- a/website/css/sidebar.css
+++ b/website/css/sidebar.css
@@ -117,7 +117,7 @@ div.ov_environment_map_checkbox
 img.ov_environment_map_preview
 {
 	width: 160px;
-	height: 90px;
+	height: 88px;
 	display: block;
 	float: left;
 	padding: 1px;