Mad Feathers! Donald Duck t-shirt design challenge

I have entered the DONALD DUCK T-SHIRT DESIGN CHALLENGE via Threadless.com's Atrium projects where they pair with corporations for t-shirt design contests. Above are the preliminary sketches, and below are the final designs before and after photoshop (yes I know I need to buy Illustrator).

(I would like to note the larger head drawn for the back of the t-shirt is a separate drawing not just the main picture enlarged.)