A number of students from The American University of Rome have already created art and media pieces that aim to help promote positive social change. A sample of links can be found here:
WFP Hungerbytes PSA
WFP Hungerbytes PSA 2
WFP Hungerbytes PSA 3
WFP Hungerbytes PSA 4
WFP Walk the World PSA
WFP Walk the World PSA 2
S.A.G.E. Commercial
Allied for Equality Commercial
Social Active 