Updated index and image files after testing

Moved image files to new folder
Layout tested OK in Jekyll

Author: jeastburn-opto22

users/opto22/NodeRed_280.png

@@ -4,8 +4,11 @@
 <div class="features" id="features">
     <div class="grid">
         <div class="col-1-2">
-            <div class="content feature" style="margin-top: 80px"><img src="opto22.png" /></div>
+            <div class="content feature" style="margin-top: 80px">
+                <img src="images/opto22.png" />
+            </div>
         </div>
+        
         <div class="col-1-2">
             <div class="content blurb">
                 <h3></h3>
@@ -37,15 +40,21 @@ <h3></h3>
                 </ul>
             </div>
         </div>
+        
         <div class="col-1-2">
-            <div class="content feature"><img src="NodeRed_280.png" /></div>
+            <div class="content feature">
+                <img src="images/node-red-hexagon.png" style="width:50%;height:50%;"/>
+            </div>
         </div>
     </div>
 
     <div class="grid">
         <div class="col-1-2">
-            <div class="content feature"><img src="Opto22_groovEPIC_FullRack_600.png" /></div>
+            <div class="content feature">
+                <img src="images/Opto22_groovEPIC_FullRack_cropped_600.png" />
+            </div>
         </div>
+        
         <div class="col-1-2">
             <div class="content blurb">
                 <h3></h3>
@@ -62,8 +71,8 @@ <h3></h3>
             </div>
         </div>
     </div>
-    
-    <div class="grid">
+        
+    <div class="grid">  
         <div class="col-1-2">
             <div class="content blurb">
                 <h3></h3>
@@ -75,6 +84,7 @@ <h3></h3>
                     it anywhere you need it: to control systems, databases, or applications on-premises or in the cloud.
                 </p>
                 <br>
+                <br>
                 <p>
                     <i>groov</i> devices also protect your Node-RED installation with device firewalls, VPN access, 
                     TLS encryption, and user authentication. Node-RED is fully integrated with the <i>groov</i> Manage web 
@@ -95,9 +105,11 @@ <h3></h3>
                 </p>
             </div>
         </div>
+
         <div class="col-1-2">
-            <div class="content feature"><img src="groovRIO_Wires_NoBG_400.png" /></div>
+            <div class="content feature">
+                <img src="images/groovRIO_Wires_NoBG_600.png" style="width:70%;height:70%"/>
+            </div>
         </div>
     </div>
-    
 </div>