Illustrations for Mobile App

This is what a business in Mexico was looking for in their graphic design

I'm working on a mobile app which will help brides and grooms plan their wedding. This app hasn't been released to the public yet and up until this point I have borrowed some illustrations for which I don't own the rights (I'm including these as attachments for reference)

What I'm after is the help of a designer to create illustrations based on these images as each of these are a category of tasks in my application.

I want illustrations based on this sample: https://www.istockphoto.com/es/vector/pareja-matrimonial-s%C3%B3lo-parejas-casadas-bodas-y-celebraciones-nupciales-el-conjunto-gm1136651579-302794750

But if you have more or better ideas, I'd be open to change my mind

As a bonus I'm also looking for an illustration that I can use to represent an empty state (whenever there is no data in the app). I'd like this illustration to have an empty background. Read more