PackMojo - Create custom packaging in 3D and order in low volume
Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage
Pakible - Custom packaging, made simple. 10 boxes for $10
Sticker Mule Wall Graphics - Custom wall graphics for your home or office
StartupDrugz - T-shirts & posters celebrating the absurdity of startup life
Sticker.Place API - Get stickers for your app