The most common complaint with this pack is that the new backgrounds simply are not there. In nearly every case the cause is load order, not a broken download.
The Title Screen Rule
This pack must be enabled on the main title screen before you load your world. If you add it while already inside a world, or through a mod menu that applies packs mid-session, the wallpaper list will not refresh. The fix is to quit to the title screen, open Options then Resource Packs, move the pack to the active side, and only then load your save.
Checking for Conflicts
If the pack is active and loaded correctly but you still see missing or default images, another resource pack may be overriding the same PC textures. Resource packs lower in the list get overridden by those above them. Try placing this pack at the top of your active list so nothing else can replace its files.
Verifying the Pack Is Really On
Double-check that the pack appears in the active column, not the available column, and that no error tooltip appears over it. If the game reports the pack as incompatible with your version, it will not load its assets at all, and no amount of reloading will help until you use a build matching your game version.
