Hello, how are you? First that all, thank you for the invitation, my name is Mar and I have a lot of experience working with many styles of illustrations. I cant acces to link you provided, if you want you can send me the example via chat :) you can write to me and we will discuss the details.
Also you can take a look to some examples of my works in my freelancer portfolio.
If you dont find there anything in the style you like, please let me know. I'm sure I can show you more examples or I can make you a free sketch.
If You have any questions email me..
Thanks for your time, Mar.