Here we have my origami tie-in of "water bomb lights". Its an origami balloon with an LED tea light popped inside. We can put 1-3 on each table or even create mountains of them. they'll involve about 4 seconds of prep time each the day of the wedding (turning on LED and popping them inside the cube).
I can crank out a ton of these while watching TV and Amazon sells the "flameless" tea lights for about 70 cents each. Save-On crafts may have them even cheaper. BBB sells them, too and it may work out that the 20% off coupon may make that cheap too. We'll see.
I'm also thinking about other assorted origami type things to have all over the place. Should have taken a photo of the practice stuff I did last night. Flowers, boxes, sides of pomanders... Currently trying to figure out how to work origami into the invitations but that will be another post.
I played around a bit with my extra paper: