diff --git a/src/core/components/array-model.jsx b/src/core/components/array-model.jsx
index 725c0918..db9c9486 100644
--- a/src/core/components/array-model.jsx
+++ b/src/core/components/array-model.jsx
@@ -46,7 +46,7 @@ export default class ArrayModel extends Component {
             properties.size ? properties.entrySeq().map( ( [ key, v ] ) => <Property key={`${key}-${v}`} propKey={ key } propVal={ v } propStyle={ propStyle } />) : null
           }
           {
-            !description ? null :
+            !description ? (properties.size ? <div className="markdown"></div> : null) :
               <Markdown source={ description } />
           }
           <span>
diff --git a/src/core/components/online-validator-badge.jsx b/src/core/components/online-validator-badge.jsx
index 36fab756..3878b29c 100644
--- a/src/core/components/online-validator-badge.jsx
+++ b/src/core/components/online-validator-badge.jsx
@@ -101,7 +101,7 @@ class ValidatorImage extends React.Component {
     if (this.state.error) {
       return <img alt={"Error"} />
     } else if (!this.state.loaded) {
-      return <img alt= {"Loading..."} />
+      return null
     }
     return <img src={this.props.src} alt={this.props.alt} />
   }
diff --git a/src/core/components/providers/markdown.jsx b/src/core/components/providers/markdown.jsx
index a4cbf3f9..9707ece6 100644
--- a/src/core/components/providers/markdown.jsx
+++ b/src/core/components/providers/markdown.jsx
@@ -46,6 +46,7 @@ const sanitizeOptions = {
         "td": [ "colspan" ],
         "*": [ "class" ]
     },
+    allowedSchemesByTag: { img: [ "http", "https", "data" ] },
     textFilter: function(text) {
         return text.replace(/&quot;/g, "\"")
     }
diff --git a/test/components/markdown.js b/test/components/markdown.js
index c3a716a3..cf208510 100644
--- a/test/components/markdown.js
+++ b/test/components/markdown.js
@@ -24,6 +24,18 @@ describe("Markdown component", function() {
             const el = render(<Markdown source={str} />)
             expect(el.html()).toEqual(`<div class="markdown"><p><img src="http://image.source" title="Image title"></p>\n</div>`)
         })
+      
+        it("allows image elements with https scheme", function() {
+            const str = `![Image alt text](https://image.source "Image title")`
+            const el = render(<Markdown source={str} />)
+            expect(el.html()).toEqual(`<div class="markdown"><p><img src="https://image.source" title="Image title"></p>\n</div>`)
+        })
+
+        it("allows image elements with data scheme", function() {
+            const str = `<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==">`
+            const el = render(<Markdown source={str} />)
+            expect(el.html()).toEqual(`<div class="markdown"><p>` + str + `</p>\n</div>`)
+        })
 
         it("allows heading elements", function() {
             const str = `
@@ -51,6 +63,18 @@ describe("Markdown component", function() {
             expect(el.html()).toEqual(`<div class="renderedMarkdown"><div><p><img src="http://image.source" title="Image title"></p></div></div>`)
         })
 
+        it("allows image elements with https scheme", function() {
+            const str = `![Image alt text](https://image.source "Image title")`
+            const el = render(<OAS3Markdown source={str} />)
+            expect(el.html()).toEqual(`<div class="renderedMarkdown"><div><p><img src="https://image.source" title="Image title"></p></div></div>`)
+        })
+
+        it("allows image elements with data scheme", function() {
+            const str = `<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==">`
+            const el = render(<OAS3Markdown source={str} />)
+            expect(el.html()).toEqual(`<div class="renderedMarkdown"><div>` + str + `</div></div>`)
+        })
+
         it("allows heading elements", function() {
             const str = `
 # h1