I think if we start using AI to create something like art that is intended to provide pleasure through creativity & imagination, w're headed down a slippery slope.
Here's my list of sites that offer high quality, professional photos and stock footage for your website/blog. Some of these sites even offer higher resolution photos that are okay for printing as well.
Here are my quick-action no-nonsense tips to speed up your wordpress site - RIGHT NOW. It's how I go my own site's page speed score from 65 to ~ 91.