THERE'S JUST TOO MANY GOOD IDEAS...

bubbles on tables

tres shabby chic
lovely and rustic
wonder how easy this is to make..

these are lovely ceramic hearts from the company East of India
these are another option for draping on the staircase perhaps.. or just on doorhandles maybe

 these wooden heart tags are only 99p from 'oh so cherished'
good old IKEA
I'm assuming not very cheap, although I could screenprint the banner myself