Title: 's Topics | WordPress.org

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# markjohnsmith

  [  ](https://wordpress.org/support/users/markjohnsmith/)

 *   [Profile](https://wordpress.org/support/users/markjohnsmith/)
 *   [Topics Started](https://wordpress.org/support/users/markjohnsmith/topics/)
 *   [Replies Created](https://wordpress.org/support/users/markjohnsmith/replies/)
 *   [Reviews Written](https://wordpress.org/support/users/markjohnsmith/reviews/)
 *   [Topics Replied To](https://wordpress.org/support/users/markjohnsmith/replied-to/)
 *   [Engagements](https://wordpress.org/support/users/markjohnsmith/engagements/)
 *   [Favorites](https://wordpress.org/support/users/markjohnsmith/favorites/)

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## Forum Topics Started

    - Topic
    - Participants
    - Replies
    - Last Post
 *  -  [YouTube Thumbnails turned black](https://wordpress.org/support/topic/youtube-thumbnails-turned-black/)
    -  Started by: [markjohnsmith](https://wordpress.org/support/users/markjohnsmith/)
      in: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
    - 2
    - 3
    -  [16 years, 9 months ago](https://wordpress.org/support/topic/youtube-thumbnails-turned-black/#post-1160974)
    -  [markjohnsmith](https://wordpress.org/support/users/markjohnsmith/)
 *