The Yes Men have the right idea. The only way to feel better about four more years of an insular and arrogant US administration is to harness extreme irony as a form of political protest.
This situationist style duo have done some remarkably strange and interesting things to show their dissent. They are not your average mainstream political protestors...they're more like the homeopathic alternative.
This link covers their 'Support Bush's Ice Age' position paper. They were astonished and depressed to receive so many supporting signatures on their petition...