Merge two creatures or change one creature seamlessly.  Either turn someone in to a superhero/avatar, or merge two animals, or come up with something even cooler... Link to a great tutorial for the avatar http://www.youtube.com/watch?v=QwXbl9-I7nU ...  For zombie search "zombie photoshop tutorial cs3" and pick the example you like best to learn from. Typography portrait assignment http://www.youtube.com/watch?v=DAaJ_s8AI-k or http://www.youtube.com/watch?v=wWmKZA1Hk8Y. Straight forward tutorial for how to have text follow a path http://www.youtube.com/watch?v=DzdY7egKDA8