If these images do not warm the cockles of your heart, then I feel really sad for you. I absolutely love all 22 of the images featured on the site, all depicting children in poverty, and all of them smiling. I think everyone can learn something from this trend.
These come from 'yeeeee' photoblog which is a bit like a curated Flickr site. Beauty in water drops, international face masks and police cars from around the world are all examples of collections featured here.