Dad And Stepdad...who Walks Me Down The Aisle???

Okay here is my problem. I just got engaged over Christmas and we are planning a fall of 2007 wedding. I want my real dad to walk me down the aisle but i want to include my stepfather who has also been there for me forever. I was toying with the idea of having them both walk me down but i dont want to hurt my real dads feelings. If i deicide to just walk with my real dad how can i include my stepdad in the ceremony and make him feel special and give him the honor too?