Can anyone help me and Give me tips on how to draw backgrounds in this style? I REALLY NEED TO

Thanks

Art by @Ragmothy on x

This is probably the last thing he saw

A little doodle

Yo watch this

Back in the day I wanted to make an walten files analog horror like series

But I cancelled the idea. But I thought the characters look cool so I redrawn her

Her name is Sophie

She's an unicorn

She has an ice cream cone for a horn

The Sherman still life doodle

Sherman reference and character by: @Mr_Svabra

Drawings I made

Who should i draw next

Hey I was walking near the lake and saw this thing

something bad is gonna happened to me. i feel like something bad has happened.

My new dess design concept

Guys is it me or...