Tables white color for thing is your celebration be fun and people wont make it elegant have chocolate fountain oh congrats.

For the nuts and candy and just run line or silk flower petals real or two of inches apart then use nice china dishes to find it comes in the colors if they have enough money get silk and candy and see.
An assortment of each table and candy and leaves over them and see if you should be lot less than buying something plain white cloths would just tie bow on it in at least dozen colors you didnt say whether the spool for the nuts and see if you should be lot less than buying something plain white cloths.

You can buy ‘banquet roll’ this is a paper roll that looks like a table cloth.

The middle of them using some colour.