They are considerably smaller than Homers. Homers and doves are unlikely to bother flowers applied to the cage, so don't worry about the birds ruining the display as a parrot probably would. Cages can be hung from the ceiling, placed on stands or tables. Flowers and or gifts can cascade down around the table from the cage. Properly displayed bird will not have a smell or visible excrement.
People tend to think of the mess that is made by city pigeons.
This unpleasant stuff is produced by wild foraging and possibly diseased birds. Racing Homers are kept on strict diets. Properly fed healthy Homers cared for by experienced wedding bird folks will use of the right kind of bedding in the bottom of the cage which should completely hide the few droppings that the birds would make during the display time. We would like to introduce you to Birds of Endearment , provider of white doves, and other white birds for weddings, celebrations, and theater productions. We have birds for release or display with rental of basket or cage included in our prices.