diff --git a/src/main/resources/templates/index.html b/src/main/resources/templates/index.html
index 2ad8a19..c801873 100644
--- a/src/main/resources/templates/index.html
+++ b/src/main/resources/templates/index.html
@@ -4,7 +4,7 @@
     <meta charset="UTF-8">
     <title>Spring Framework Guru Courses</title>
 
-    <link href="http://cdn.jsdelivr.net/webjars/bootstrap/3.3.4/css/bootstrap.min.css" rel="stylesheet" media="screen"/>
+    <link href="http://cdn.jsdelivr.net/webjars/bootstrap/3.3.4/css/bootstrap.min.css" media="screen" rel="stylesheet"/>
 
     <script src="http://cdn.jsdelivr.net/webjars/jquery/2.1.4/jquery.min.js"></script>
 
@@ -149,9 +149,9 @@ <h1>Spring Framework Guru Courses</h1>
                     <a href="product.html">
                         <div class="col-lg-12">
                             <div class="course-box-image-container">
-                                <img role="presentation"
-                                     src="//d6xfpzo6h49n1.cloudfront.net/BXwTFNXDD4SjVt6H78-It1YgNj8=/fit-in/705x0/https://d2vvqscadf4c1f.cloudfront.net/scgeIJ9wRGGNWvK0jAld_ThumbFREE_01.png"
-                                     class="course-box-image">
+                                <img class="course-box-image"
+                                     role="presentation"
+                                     src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:705/https://www.filepicker.io/api/file/nXPqg69JSkuVO2Bqm8wr">
                             </div>
                             <div class="course-listing-title">
                                 Introduction to Spring
@@ -165,8 +165,8 @@ <h1>Spring Framework Guru Courses</h1>
                 <div class="row course-listing-extra-info col-xs-12">
                     <div class="col-xs-8">
                         <img align="left" alt="John Thompson"
-                             src="//d6xfpzo6h49n1.cloudfront.net/aIKHFbsYXBCe0wY0jwCIdITOB5k=/30x30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg"
-                             class="img-circle">
+                             class="img-circle"
+                             src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:30,height:30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg">
                         <div class="small course-author-name">
                             John Thompson
                         </div>
@@ -185,9 +185,9 @@ <h1>Spring Framework Guru Courses</h1>
                     <a data-role="course-box-link" href="product.html">
                         <div class="col-lg-12">
                             <div class="course-box-image-container">
-                                <img role="presentation"
-                                     src="//d6xfpzo6h49n1.cloudfront.net/xmIEDF_cDxZz4E2mLiV5N52_yPo=/fit-in/705x0/https://d2vvqscadf4c1f.cloudfront.net/YnsFJMclS5aYmtiAMSX0_ThumbSPRINcore.png"
-                                     class="course-box-image">
+                                <img class="course-box-image"
+                                     role="presentation"
+                                     src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:705/https://d2vvqscadf4c1f.cloudfront.net/YnsFJMclS5aYmtiAMSX0_ThumbSPRINcore.png">
                             </div>
                             <div class="course-listing-title">
                                 Spring Core
@@ -201,8 +201,8 @@ <h1>Spring Framework Guru Courses</h1>
                 <div class="row course-listing-extra-info col-xs-12">
                     <div class="col-xs-8">
                         <img align="left" alt="John Thompson"
-                             src="//d6xfpzo6h49n1.cloudfront.net/aIKHFbsYXBCe0wY0jwCIdITOB5k=/30x30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg"
-                             class="img-circle">
+                             class="img-circle"
+                             src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:30,height:30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg">
                         <div class="small course-author-name">
                             John Thompson
                         </div>
@@ -221,9 +221,9 @@ <h1>Spring Framework Guru Courses</h1>
                     <a data-role="course-box-link" href="product.html">
                         <div class="col-lg-12">
                             <div class="course-box-image-container">
-                                <img role="presentation"
-                                     src="//d6xfpzo6h49n1.cloudfront.net/VcMKL8A-nGdHEgrHRy5bPuqFhtU=/fit-in/705x0/https://d2vvqscadf4c1f.cloudfront.net/fMahox0zTOW4gYkMMjmN_ThumbSPRINcoreAdv.png"
-                                     class="course-box-image">
+                                <img class="course-box-image"
+                                     role="presentation"
+                                     src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:705/https://d2vvqscadf4c1f.cloudfront.net/fMahox0zTOW4gYkMMjmN_ThumbSPRINcoreAdv.png">
                             </div>
                             <div class="course-listing-title">
                                 Spring Core Advanced
@@ -237,8 +237,8 @@ <h1>Spring Framework Guru Courses</h1>
                 <div class="row course-listing-extra-info col-xs-12">
                     <div class="col-xs-8">
                         <img align="left" alt="John Thompson"
-                             src="//d6xfpzo6h49n1.cloudfront.net/aIKHFbsYXBCe0wY0jwCIdITOB5k=/30x30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg"
-                             class="img-circle">
+                             class="img-circle"
+                             src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:30,height:30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg">
                         <div class="small course-author-name">
                             John Thompson
                         </div>
@@ -260,9 +260,9 @@ <h1>Spring Framework Guru Courses</h1>
                     <a data-role="course-box-link" href="product.html">
                         <div class="col-lg-12">
                             <div class="course-box-image-container">
-                                <img role="presentation"
-                                     src="//d6xfpzo6h49n1.cloudfront.net/XPW5zGBgneHuCKQx52cNcAwsuBQ=/fit-in/705x0/https://d2vvqscadf4c1f.cloudfront.net/wc9ORhpRQUataALq2ejc_ThumbSPRINcoreDevOps2.png"
-                                     class="course-box-image">
+                                <img class="course-box-image"
+                                     role="presentation"
+                                     src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:705/https://www.filepicker.io/api/file/HnVU5adRZxeFT99yybqw">
                             </div>
                             <div class="course-listing-title">
                                 Spring Core Dev Ops
@@ -276,8 +276,8 @@ <h1>Spring Framework Guru Courses</h1>
                 <div class="row course-listing-extra-info col-xs-12">
                     <div class="col-xs-8">
                         <img align="left" alt="John Thompson"
-                             src="//d6xfpzo6h49n1.cloudfront.net/aIKHFbsYXBCe0wY0jwCIdITOB5k=/30x30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg"
-                             class="img-circle">
+                             class="img-circle"
+                             src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:30,height:30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg">
                         <div class="small course-author-name">
                             John Thompson
                         </div>
@@ -297,9 +297,9 @@ <h1>Spring Framework Guru Courses</h1>
                     <a data-role="course-box-link" href="product.html">
                         <div class="col-lg-12">
                             <div class="course-box-image-container">
-                                <img role="presentation"
-                                     src="//d6xfpzo6h49n1.cloudfront.net/iM6y2WkaU8PWBuGAHtA3OKqT-4A=/fit-in/705x0/https://d2vvqscadf4c1f.cloudfront.net/DkBQKd4WQxWTCLnFwJCR_ThumbSPRINcoreUltimate.png"
-                                     class="course-box-image">
+                                <img class="course-box-image"
+                                     role="presentation"
+                                     src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:705/https://d2vvqscadf4c1f.cloudfront.net/DkBQKd4WQxWTCLnFwJCR_ThumbSPRINcoreUltimate.png">
                             </div>
                             <div class="course-listing-title">
                                 Spring Core Ultimate
@@ -330,9 +330,9 @@ <h1>Spring Framework Guru Courses</h1>
                     <a data-role="course-box-link" href="product.html">
                         <div class="col-lg-12">
                             <div class="course-box-image-container">
-                                <img role="presentation"
-                                     src="//d6xfpzo6h49n1.cloudfront.net/wH-V7RfYswB8Q95LIdGzx-QLxKk=/fit-in/705x0/https://d2vvqscadf4c1f.cloudfront.net/J8mqML4lQRmUmM4gdCW0_Thumb_Thymeleaf.png"
-                                     class="course-box-image">
+                                <img class="course-box-image"
+                                     role="presentation"
+                                     src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:705/https://d2vvqscadf4c1f.cloudfront.net/J8mqML4lQRmUmM4gdCW0_Thumb_Thymeleaf.png">
                             </div>
                             <div class="course-listing-title">
                                 Thymeleaf
@@ -346,8 +346,8 @@ <h1>Spring Framework Guru Courses</h1>
                 <div class="row course-listing-extra-info col-xs-12">
                     <div class="col-xs-8">
                         <img align="left" alt="John Thompson"
-                             src="//d6xfpzo6h49n1.cloudfront.net/aIKHFbsYXBCe0wY0jwCIdITOB5k=/30x30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg"
-                             class="img-circle">
+                             class="img-circle"
+                             src="https://process.fs.teachablecdn.com/ADNupMnWyR7kCWRvm76Laz/resize=width:30,height:30/https://d2vvqscadf4c1f.cloudfront.net/uZC7XjnzTMyJJeq5hShi_IMG_2800square.jpg">
                         <div class="small course-author-name">
                             John Thompson
                         </div>