background help??😭

i cannot do backgrounds for the life of me. any cc/ideas? cc on design is also welcime!! uwu (anthro pokesona based on scolipede)

https://preview.redd.it/delnfu0by0dh1.png?width=1529&format=png&auto=webp&s=ff00bb213541ea608998d80bfa84e5b9e0703771