Wallpaper Site - Best Ways To Monetize?

I have a site where I upload my own wallpapers (versus taking other people's work like most sites seem to). I'd like to eventually monetize with CPA offers, but that would only be if I could ever get a huge amount of daily traffic. That's not likely to happen, or at least not for a long time.

So, in the meantime, I'm wondering if there might be any other demonetization methods that might pay decently. I can try to sell my designs as Redbubble products such as t-shirts and phone cases, but I think to most people this wouldn't be appealing.

I could promote some affiliate products, but they'd have little to nothing to do with the site, or pay very low comissions from what I've seen.

I could start a Patreon. I think that might only be effective if I was able to get a large amount of subscribers.

I could maybe sell bundles of wallpapers for like 99 cents, but that's ridiculous.

Of course, I could ask for donations, but I don't believe there's much money in that.

Also, I might be able to get sponsored by someone to promote their brand, but I'd have to have a large amount of subscribers.

Maybe I could offer to create custom wallpapers for businesses?

If anyone has any ideas, about how I might be able to monetize this, let me know. I don't even know if there's much of a future in this idea, but I'm hoping if people like my site enough, they'll keep coming back once they're following me on social media.