Pastor Mark Driscoll has been preaching through the book of Luke.
Zacchaeus was not just a wee little man, he was a man idolizing money and power and taking advantage of his neighbors. But when Jesus calls out to Zacchaeus, his life is changed forever. Zacchaeus immediately repents and offers restitution to anyone he’s wronged, which results in much rejoicing.
Here is a link to his sermon of June 2001, “Jesus and Zacchaeus”