"If someone wants to pin Olympic Games and Darfur issue together to raise his/her fame, he/she is playing a futile trick," the spokesman, Chu Maoming, wrote.
So, here goes:
The little guy with the gun is Jingjing, and that is an official pose. He's a panda, and one of five Olympic Mascots. Their names are all doubled, which has the effect of making them sound very cute. Beibei, Jingjing, Huanhuan, Yingying and Nini. Together they form a sentence: Beijing huanying ni, which means Beijing welcomes you. There's an interesting explanation on Piyin.info.