Liven up your campaign with incentives, activities and games to maximize participation. Giving back and taking action in your community is worth the celebration, so feel free to mark this special time with an office party, competitions, auctions and prizes for outstanding participation. Themes can also create a buzz prior to the event as guests discuss how they can interpret the theme, what they are going to go as, what their friends are trying and whether they can do joint costumes which can be great corporate team building.