You can view The Sims 4 gallery by creating free EA account. To download from it you need to install the UserScript I created. To do so you need a browser add-on:
If you have Chrome, install Tampermonkey or Violentmonkey.
If you have Firefox, install Greasemonkey, Tampermonkey or Violentmonkey.
tutorial for Chrome + Tampermonkey
tutorial for Firefox + Greasemonkey
tutorial for "installing" downloaded files