Assign each table a different anniversary year (i. table 1 would be anniversary year etc.) and let the guests at that table write notes to be opened on that particular anniversary year (a unique alternative to a wedding guest book).
How To Make Amazing Home Accessories Using Wood Logs
Wedding Cake- what a cute idea! someone wrote "If it was an autumn wedding you could do gold, red, orange and brown leaves.--- i would carve initials in the heart ;)" great ideas for when Billy and I renew our vows someday!
For one of your table options grouping floating candle vases together is a pretty option for a non-floral centerpieces. To add the "wow", tint the water in some of the vases a dark purple and some a light purple and float gold candles.