A few basics on trade show graphics: 5 Keys to Fantastic Graphics. There’s some other good info there as well.

By enhancing your exhibit space with several of the following you can create an amazing exhibit to showcase your products and services.

Overhead Graphics

Will help draw in attendees from across the
tradeshow floor.

Fabric Banners
Can showcase and separate product groups

Your floor space needs to be functional, and free flowing, making it easier for attendees to navigate through your exhibit space, creating a more welcoming environment.

An exhibit focal point that supports your marketing message will also lure prospective clients into your tradeshow booth.

Working with a creative exhibit design team and expressing your goals and ideas is the first step in the creation of the “amazement factor”