If you are looking for a nice clean and fun theme for your wedding invitation, you have to check out this theme from Minted.
This one is called Wed In Type and you can get everything from your save the date to thank you card. It is available in a variety of colours, as well as you have the choice to do a custom colour.
Check it out! Also being a proud affiliate of Minted, I may get compensated from them for your purchase.
Wed in Type Save the Date Cards
from: Minted
Wed in Type Wedding Invitations
from: Minted
Wed in Type RSVP Postcards
from: Minted
Wed in Type Wedding Programs
from: Minted
Wed in Type Menu
from: Minted
Wed in Type Table Numbers
from: Minted
Wed in Type Thank You Cards
from: Minted