Walgreens T-shirt Design

This year, I've been taking Graphics, a class that teaches students how to do artwork on the computer using programs like Adobe Photoshop, Flash Animation, and Adobe Illustrator. I am in Graphics II, which is the 'advanced' class. Several times a semester, every student participates in various competitions where they have specific requirements, for example: you have only an hour to design a poster with only three colors. After the competition is over, judges examine each piece of work, narrow it down to a final group, and, eventually a winner is declared. In the first competition that my school participated in this year, we had to design a t-shirt for Walgreens to sell in all of their Tucson stores, promoting Tucson tourism. The competition closed probably some time in November and the winners, there being six of them, were announced to on Thursday. Two students from different schools (I can't remember which ones) were chosen, as were four others from my school, Catalina Foothills. Three of them were beginning students (meaning that this is their first year of graphic arts) and there was one advanced student. Guess who the advanced student chosen was: ME! I was one of six finalists out of over five-hundred entries from five difference Tucson-area schools. The winnings: one-hundred dollars for myself, a free copy of my t-shirt, and my school is given part of the earnings from my t-shirt design sales to use on the Graphics students. Also, the t-shirt I designed can be bought in any Tucson Walgreens store! The picture below is the picture that I designed for Walgreens. We could use only three colors, including black. It may look like my graphic has more than three colors, but the reason that this is allowed is because each color is a different shade. Gray is considered a shade of black, and the only other colors used are tan and white. The writing behind the oxen skull is actually an old cowboy song.