Hey i can make a youtube banner to that standard you are seeking.
I am a graphic designer and i have some of my work on this link. I am new so there is not much but i provide quality. I do my own youtube graphics and i have gotten pretty good at it in fact!
http://imgur.com/a/vGoCI

If you are interested add me on skype: o.riches
or reply

My name is Stuart Weekes and i am currently studying graphic design. I offer services for Youtube and Twitch.tv channels and other graphic designs. check my site out http://swgdesigns.weebly.com/

I could make it for you, but I'll need some details and the name ect.

Name/Username :

Theme :

Text font :

Text size? (Not needed) :

Any other details? :

This is the best everyone can manage to make.
http://www.planetminecraft.com/banner/youtube-35039/