TrelloZen, is an advanced Trello app extension. The idea is simple, use it for your personal boards, and set any image URL you like as a background for each board you create.

You can set it to any URL of your choice, from anywhere.

[Features]

Set the background of individual boardsSet the same background for all boardsYou can use the image URL you likeSet the same background to all boards for every browserVisit any board, click the TZ icon in the right corner of the URL, and set the backgroundThe URL will be loaded in a new window, so you can keep using the app without closing itSet the image URL and the zoom level for each boardYou can set the same image for each boardYou can change the color of the background imageYou can also create multiple boards to set a custom background for each boardYou can use it without installing it on your Android device.