I like this one because you can get a lock to secure it and it's sturdy. If you want the paint to match your wedding colors instead of white she'll do that, too (I like how the white looks, though).
Shabby Chic and Rustic Wooden Card Box - Rustic Wedding Card Box - Rustic Wedding Decor - Advice Box - Piggy Bank
Shabby Chic and Rustic Wood Card Box - Rustic Style Wedding Card Box. $25.00, via Etsy.
something like this for programs: Large Shabby Chic and Rustic Wooden Card Box - Rustic Wedding Decor - Wedding Card Box - Rustic Wedding Card Box - Program Box.
vintage wishing well idea with chalkboard on etsy
Wedding Card Box - Rustic Wooden Card Box - Rustic Wedding Card Box - Rustic Weddings - Advice Box - Wishing Well - Card Box - Wedding Gift by CountryBarnBabe
Rustic Personalized Painted Wooden Wedding Card Box LARGE - rustic wooden card box, keepstake trunk, rustic wedding card box large card box by BitsOfImperfection
Rustic Wedding Card Box, Country Chic Wire Basket, Wooden Card Banner via Etsy