Hi, I'm interested to help you with the design. 20'x8' is a large size for print. I'd need the vector/illustrator file for your logo and please provide all the information you need on the exhibit display along with if there will be any visualization/photo. If you want any photo on the design, please either provide a high resolution photo or make a suggestion of what kind of a photo i need to use...
Thanks,
Best Regards,
Arnab Shahriar