The WFP has been developing some lovely materials to support their work with OLPC in Nepal. In a recent animation short, Nim Doma Sherpa (the youngest woman to climb Mt. Everest) and an acrobatic yak (who seems to have been working with her for some time) snowboard down a mountain to deliver XOs to a school of children. Priceless.
Nindoma Sherpa and a yak deliver XOs to Nepal