Embroidered cocktail coasters

A few years ago, I stamped an ordinary cloth with various designs just to get the red ink off of the transfers. I find that if the red inked transfers are stored a long period of time, the design rubs off on other transfers. I then keep the transfer for later on and hand trace it on to what ever it is I want to embroider. I came across this cloth a few weeks ago and thought the designs were so pretty that they needed to be made into something. While browsing vintage textile sites, I have often seen little embroidered cocktail coasters in sets of 6 or 12. They are just as adorable as can be. These are a little larger, but still so cute for springtime and glasses of lemonade. I embroidered one and need to satin stitch or buttonhole the edges. I need to decide on two other designs, maybe a butterfly?