Update README.md

README.md

@@ -26,7 +26,7 @@ pipeline_tag: text-to-image
   <tr>
     <td colspan="2" align="center">
       <a href="https://huggingface.co/spaces/waveshaker/loras_gallery">
-        <img src="https://huggingface.co/waveshaker/loras/resolve/main/preview/preview1.jpg" width="100%" alt="MainPage">
+        <img src="https://huggingface.co/waveshaker/loras/resolve/main/preview/preview1.webp" width="100%" alt="MainPage">
       </a>
     </td>
   </tr>