Two more ideas for banners, to communicate why anyone would object to SAVE DARFUR and its lost boys.
Honestly. Look up SaveDarfur.org on Wikipedia. This is the same emotional pitch made to rally Americas to save Kuwait.
In Afghanistan it was the Taliban creating orphans, and in Kuwait it was Iraqis stealing the incubators. In Belgium in 1916 Germans were said to be sticking babies on their bayonets and carrying severed fingers in their pockets as souvenirs.