To find a free HD wallpaper, you can use the anime-wallpaper package. Here's a brief snippet to get you started:

npm install anime-wallpaper

Then, you can run the following command in your terminal:

const animeWallpaper = require('anime-wallpaper');
animeWallpaper();

This will display a list of available wallpapers. You can then select one by its index number and save it to your system.

Note: Make sure to check the usage guidelines for the anime-wallpaper package, as some features may require additional setup or permissions.