<p>After adding thumb for defined user group in videodatabase configuration it is not possible to change it later except deleting it and recreating.</p><p><br /></p><p>Forum link:</p><p><a data-cke-saved-href="http://forum.team-mediaportal.com/threads/internal-video-plugin-unable-to-change-thumb-of-a-user-group.122943/" href="http://forum.team-mediaportal.com/threads/internal-video-plugin-unable-to-change-thumb-of-a-user-group.122943/">http://forum.team-mediaportal.com/threads/internal-video-plugin-unable-to-change-thumb-of-a-user-group.122943/&lt;/a&gt;&lt;/p>