poster help

so I have a few of those really big posters and I put them on my ceiling. however they are pretty crooked

I’m wondering if anyone has any ideas on how to make them look less crooked without moving them at all

I’m thinking in the gaps between them to put like small tiny posters or smth idk

not a hugee problem. it doesn’t super bother me. but I’m just curious on ways I could fix it

I like 2 string fairy lights between mine, or you could put sum cool tape on the corners to make it look intentional!! also layering posters n covering the corners will help