Here's a repost I found:
via Twitter: "Apparently Obama's birth certificate was bin Laden's last horcrux." (@NarcissisticBit)
There is also a pretty funny one about his iPhone automatically "checking in" on Facebook that's pretty funny, but I couldn't find the original graphic.
It has him checked in and then a "Barack Obama "likes" this.
I saw one yesterday that was a translated transcript of Obama's speech that made me chuckle as well. I'll see what I can dig up.