Attibute more of the images

As of now, most of the images have been attributed.

Author: sivaraam

index.html

@@ -77,7 +77,12 @@ <h2>Features</h2>
                             <img class="feature-image"
                                  src="images/screen-explore.jpeg"
                                  alt="Explore screen where users discover images from Commons."
-                                 title="Explore screen where users discover images from Commons."
+                                 title="Explore screen where users discover images from Commons.
+
+Attribution:
+Eastern chanting goshawk..: Charles J Sharp [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)]
+46-101-0548 Lviv Latin Cathedral..: Rbrechko [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)]
+"
                             />
                         </div>
                         <div class="hover-bar"></div>
@@ -98,7 +103,11 @@ <h3 class="item-header">
                             <img class="feature-image"
                                  src="images/screen-search-media.jpeg"
                                  alt="Search screen where users search for images in Commons."
-                                 title="Search screen where users search for images in Commons."
+                                 title="Search screen where users search for images in Commons.
+
+Attribution:
+Flower with pollen: Muhammad Mahdi Karim. Edited by Jjron. [CC BY-SA 2.5 (https://creativecommons.org/licenses/by-sa/2.5)]
+Cape Skink Flowers: Prosthetic Head [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)]"
                             />
                         </div>
                         <div class="hover-bar"></div>
@@ -190,7 +199,10 @@ <h3 class="item-header">View nearby missing images</h3>
                             <img class="feature-image"
                                  src="images/screen-home-contributions-with-campaigns.jpeg"
                                  alt="Contributions screen which features users' contributions and ongoing campaigns."
-                                 title="Contributions screen which features users' contributions and ongoing campaigns."
+                                 title="Contributions screen which features users' contributions and ongoing campaigns.
+
+Attribution:
+Sunset at chunnmbar: Kaartic [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)]"
                             />
                         </div>
                         <div class="hover-bar"></div>