These are examples from Elizabeth Graeber. I found her work on Communication Arts website.
I really like her watercolor, quick sketch style. It looks almost childlike, but it's still detailed enough to be refined.
Her

This is a photo of a sign I saw in Iowa.
The place is Midtown Hairstyling. I loved the illustration they had above the store name of all the heads with different hairstyles.
I love the heavy line weights and the simplicity of the illustration.

Client: Amtrack

Project: Travel Poster

Specifications: Create a travel poster for Amtrack train company, to be hung in train stations across the USA. The poster will feature important aspects of the location in an effort to attract travelers.

Reproduction: The art will be printed in PMS colors and will be 12x15 inches.

Justification: The destination I have chosen is Las Vegas, Nevada. Vegas is known for it's crazy nightlife and wild reputation. It's a lively environment with an excess of partying, glam, and fame. I believe I can convey the vibe of Las Vegas in a creative way.

This is a poster design for the Grammy Awards. It was done by DogStar Design and Illustrations.
I thought this would be a good example this week to go along with project 1. The buildings in the background make up the silhouette of a guitar in the center with the negative space.

This is a Christmas card designed by George Tscherny.
The client was Overseas National Airways, which is why there are airplanes placed into the shape of a snowflake.
I thought this was a clever way of taking a cliche like a snowflake on a Christmas card, and putting a new spin on it to fit the situation.
I found this example in the book Visual Puns in Design by Eli Kince.