I'd rather not use the Kenyan Usurper one... may be counterproductive for these events. I mainly want to attack the healthcare thing, and socialism. I do like your first 2 ideas, though!
I went to the Freedomkeys site and had printed up 3 more little signs, one that has the Obama Joker, but I may not bother either because last week I think one of the pro-Obamacare people took the first Obama Joker one. Got two more that stay on subject.