If you need a professional-looking Youtube banner, you might want to try this gig on Fiverr. You will get a design of a personalized, custom banner with a matching profile picture for just $5!
Unlike many Fiverr sellers, he does not rush out his designs or use templates, everything is designed from the ground up to match your requirements.
He will make 2 revisions as well as deliver the JPG and PSD files.
Check out his gig below!