You can also purchase backgrounds, frames and fonts to make your invitations unique and custom!
If you don't have the fancy Adobe Illustrator or any CS6, you can simply use Microsoft Publisher, which should be included in a Microsoft Office package you probably purchased with your computer.
I am thinking about writing a post for a step by step on how to create your own digital invites. Is this something you all would be interested? Email me if you have any questions on this!