Today I fould out you can turn your cursor into a banana. I use sway, but this should work on most wayland compositors.

My cursor is a banana

Theoretically you only have to set the cursor theme, but some applications read the cursor theme setting from different locations. NixOS (home-manager) users can use this snippet to have it set uniformely across all applications.

{
  wayland.windowManager.sway = {
    config
      seat = {
        "*" = {
          xcursor_theme = "${config.gtk.cursorTheme.name} ${toString config.gtk.cursorTheme.size}";
        };
      };
    };
  };

  home.pointerCursor = {
    name = "Banana";
    size = 32;
    package = pkgs.banana-cursor;
    x11.enable = true;
    gtk.enable = true;
  };

  gtk = {
    enable = true;
    cursorTheme = {
      name = "Banana";
      size = 32;
      package = pkgs.banana-cursor;
    };
  };
}

This gives you a wonderful banana-cursor, which makes your computing experience much more enjoyable. At this point I don't know how I ever was able to compute without this.