Artsonia has been called the largest web based children's art gallery. It allows teachers to publish student artwork as free online exhibits. It is also a fund raiser. The school receives 15% of the cost of any artwork memorabilia that family members buy.
View Big Creek Elementary in Ohio's Artsonia site http://www.artsonia.com/schools/archive.asp?id=741&type=art
Teachers - Get this approved by the appropriate administrators before launching your online exhibit/fund raiser.