I use ipiccy it’s an online photo editor that’s completely free just search on google for it. It lets you layer images and I got mine from weheartit, I’ll be adding a link to my account on here rn. Just mess around with the fonts I downloaded some and it synced to ipiccy so that that was sweet. I have many more unpublished books with cool book covers to waiting to be appreciated lol so thanks for noticing!