The link to create and modify the poster is this one:
https://www.canva.com/design/DAD5WFXH-8g/lR6wtjxj1tllojCRvprRiw/view?utm_content=DAD5WFXH-8g&utm_campaign=designshare&utm_medium=link&utm_source=sharebutton
The final result: