If you are a student participating in a WebBoard art contest you would be able to append a scanned image of your work. As a musician you could append your MIDI file for all to hear. As a poet you could read your verse. It is a very rich medium.
CSNet has actually talked with the National Parks and Conservation Association about the possibility of running a Cyberspace T-shirt contest to raise money for both the schools and key non-profit groups. NPCA was very positive.