fixing

Author: dbickson

README.md

@@ -210,7 +210,7 @@ View the API docs [here](https://visual-layer.readme.io/docs/v1-api).
   <tr>
       <td rowspan="3" width="160">
       <a href="https://visual-layer.readme.io/docs/getting-started">
-              <img src="./gallery/cat_dog_thumbnail.jpg" width="256">
+              <img src="./gallery/dino.png" width="256">
       </a>
       </td>    
       <td rowspan="3">