Milking the Donors

By MARY ANDOM

Valerie Miller loves cows. An artist, she recently decided to share that love with her alma mater, the University of Iowa, by creating and selling 5,000 limited-edition prints of a bovine and donating half the profits to the university's Tippie College of Business.

"I enjoy taking a rural icon and placing it out of context," says Ms. Miller, a marketing...