fixed fanart backdrop not showing up.

UI/Series/Details/SeriesDetailsLayout.js

@@ -20,7 +20,12 @@ define(['app', 'Series/Details/SeasonCollectionView', 'Shared/LoadingView'], fun
             onShow: function () {
                 var self = this;
 
-                $.backstretch(this.model.get('fanArt'));
+                if (this.model.has('fanArt')) {
+                    $.backstretch(this.model.get('fanArt'));
+                }
+                else {
+                    $('body').removeClass('backdrop');
+                }
 
                 this.seasons.show(new NzbDrone.Shared.LoadingView());
 

UI/Series/SeriesModel.js

@@ -30,7 +30,7 @@ define(['app', 'Quality/QualityProfileCollection'], function (app, qualityProfil
             },
             fanArt           : function () {
                 var poster = _.find(this.get('images'), function (image) {
-                    return image.coverType === 3;
+                    return image.coverType === 'fanart';
                 });
 
                 if (poster) {