Graphic Designer needed - Under The Cap SMS Campaign

What? We are launching a Under the Cap SMS draw (people buy sodas, text the unique code under their cap, they enter a draw and have chances to win cell phones, prepaid airtime and motorcycles. What we need? We need illustration/visual support for this campaign and are looking ASAP for a graphic designer. We will supply all the text for the ad. What we want ? We will have 3 types of display : Flash banner online ( leaderboard 728*90 ), 11x17 posters , and billboard (4x6 proportion). We want 3 to 5 propositions for each type of display. We want full ownership of the design after completion : electronic copies (JPEG, PDF) Attached are examples of what we would like