appdata lists the following as screenshot

```
      <image>http://kde-apps.org/CONTENT/content-pre1/140967-1.png</image>

```

which is coming back 404

```
➜ curl -o /dev/null -D - -sSL http://kde-apps.org/CONTENT/content-pre1/140967-1.png
HTTP/1.1 301 Moved Permanently
Date: Thu, 08 Mar 2018 10:29:44 GMT
Server: Apache
Location: https://www.linux-apps.com/CONTENT/content-pre1/140967-1.png
Content-Length: 268
Content-Type: text/html; charset=iso-8859-1

HTTP/1.1 404 Not Found
Date: Thu, 08 Mar 2018 10:29:45 GMT
Server: Apache
Content-Length: 231
Content-Type: text/html; charset=iso-8859-1

```

Please fix and ideally switch to the KDE product screenshot hosting @ https://phabricator.kde.org/source/websites-product-screenshots/browse/master/README.md