For things you want to like create yourself..you can go to 

http://www.orientaltrading.com/party-themes-and-events/wedding-a1-388560+98.fltr

They have awesome things you can buy and customize! Also..check out thingsremembered, thats where I got our champagne glasses and got them engraved there too! you can find them at micheals and joann fabrics i believe as well..but OrienTrade has a lot to choose from and you can gather some ideas too!