Fairy Lights aren't just for Christmas. Add battery operated ones to flower arrangements. Be careful with water but there are some great fake flowers for sale!
How about using pebbles to use as place names. Great for a seaside themed event. Bags of pebbles can be brought from Amazon . Please leave pebbles on the beach for everyone to enjoy!
Using a chalk pen on an antique mirror on an easel is a unsual way for your guests to discover their table at your event. make sure the easel and mirror are firmly secured!
Usingdriftwood or twigs as part of your table displays gives maximum impact without breaking the budget. You can always use battery operated tea lights for safety!
Fill a glass jar with baubles lights and beads for a really affective display. This was placed in a blue and white dining room and was really eye catching
Look around your home when thinking about your theme and see what stands out as inspiration - How about a Peacock .....