diff --git a/config/default.toml b/config/default.toml
index 63b08a91..bea73175 100644
--- a/config/default.toml
+++ b/config/default.toml
@@ -135,8 +135,8 @@ processes=1
 [mosaico]
 # Installed templates
 templates=[["versafix-1", "Versafix One"]]
-# Inject custom scripts from public/mosaico/custom/
-# customscripts=["some-lib.js", "my-mosaico-plugin.js"]
+# Inject custom scripts
+# customscripts=["/mosaico/custom/my-mosaico-plugin.js"]
 
 [grapejs]
 # Installed templates
diff --git a/routes/editorapi.js b/routes/editorapi.js
index f6b4d560..fd85bc73 100644
--- a/routes/editorapi.js
+++ b/routes/editorapi.js
@@ -417,37 +417,32 @@ let parseGrapejsMultipartTestForm = (req, res, next) => {
 };
 
 router.post('/test', parseGrapejsMultipartTestForm, passport.csrfProtection, (req, res) => {
+    let sendError = err => {
+        if (req.query.editor === 'grapejs') {
+            res.status(500).json({
+                errors: err.message || err
+            });
+        } else {
+            res.status(500).send(err.message || err);
+        }
+    };
+
     prepareHtml({
         editorName: req.query.editor,
         html: req.body.html
     }, (err, html) => {
         if (err) {
-            req.query.editor === 'grapejs' ?
-                res.status(500).json({
-                    errors: err.message || err
-                }) :
-                res.status(500).send(err.message || err);
-            return;
+            return sendError(err);
         }
 
         settings.list(['defaultAddress', 'defaultFrom'], (err, configItems) => {
             if (err) {
-                req.query.editor === 'grapejs' ?
-                    res.status(500).json({
-                        errors: err.message || err
-                    }) :
-                    res.status(500).send(err.message || err);
-                return;
+                return sendError(err);
             }
 
             mailer.getMailer((err, transport) => {
                 if (err) {
-                    req.query.editor === 'grapejs' ?
-                        res.status(500).json({
-                            errors: err.message || err
-                        }) :
-                        res.status(500).send(err.message || err);
-                    return;
+                    return sendError(err);
                 }
 
                 let opts = {
@@ -465,12 +460,7 @@ router.post('/test', parseGrapejsMultipartTestForm, passport.csrfProtection, (re
 
                 transport.sendMail(opts, (err, info) => {
                     if (err) {
-                        req.query.editor === 'grapejs' ?
-                            res.status(500).json({
-                                errors: err.message || err
-                            }) :
-                            res.status(500).send(err.message || err);
-                        return;
+                        return sendError(err);
                     }
 
                     req.query.editor === 'grapejs' ?
diff --git a/views/grapejs/editor.hbs b/views/grapejs/editor.hbs
index d9595ad8..f6203b1a 100644
--- a/views/grapejs/editor.hbs
+++ b/views/grapejs/editor.hbs
@@ -19,6 +19,9 @@
     }
 
     #toast-container {
+        top: auto !important;
+        bottom: 5px;
+        right: 325px;
         font-size: 13px;
         font-weight: lighter;
     }
@@ -177,7 +180,7 @@
                 var encodedSrc = (s && s[1]) || encodeURIComponent(src);
                 var dynamicSrc = '/editorapi/img?src=' + encodedSrc + '&method=resize&params=' + $(this).width() + '%2C' + $(this).height();
                 imgs.push({
-                    cls: $(this).attr('class'),
+                    cls: $(this).attr('class').split(' ')[0],
                     dynamicSrc: dynamicSrc,
                     src: src,
                 });
@@ -245,10 +248,12 @@
                 statusFormElC.style.opacity = '0';
                 statusFormEl.removeAttribute('data-tooltip');
                 md.close();
+                toastr.success('Testmail sent');
             } else if (res.errors) {
                 statusFormEl.className = 'fa fa-exclamation-circle';
                 statusFormEl.setAttribute('data-tooltip', res.errors);
                 statusFormElC.className = 'form-status text-danger';
+                toastr.error(res.errors);
             }
         });
 
@@ -357,9 +362,10 @@
             }, null, 'html')
                 .success(function() {
                     window.bridge.lastSavedHtml = html;
+                    toastr.success('Sucessfully saved');
                 })
                 .fail(function(data) {
-                    alert(data.responseText || 'An error occured while saving the document');
+                    toastr.error(data.responseText || 'An error occured while saving the document');
                 })
                 .always(function() {
                     setTimeout(function() {
diff --git a/views/mosaico/layout-editor.hbs b/views/mosaico/layout-editor.hbs
index 4787f670..175be4cf 100644
--- a/views/mosaico/layout-editor.hbs
+++ b/views/mosaico/layout-editor.hbs
@@ -25,7 +25,7 @@
 
         {{#if editorConfig.customscripts}}
             {{#each editorConfig.customscripts}}
-                <script src="custom/{{this}}"></script>
+                <script src="{{this}}"></script>
             {{/each}}
         {{/if}}