Here are a few things I made for my sister's wedding. Her two requirements were: she wanted recycled paper for everything and she wanted to keep it simple looking. Nothing too fancy. Here's what we came up with.
The table seating cards. The cards were attached to bamboo salad server hands. On one side it said the name of the guests and the table assignment. On the other side it said "Hand in Hand" with the names of the bride and groom and the wedding date.
This was one of the table name cards. Each table had a different name and they were named after places the bride and groom have been.
They had cupcakes for their wedding cake so they needed something to tell people what flavor each cupcake was. I made this little sign: