I used the pasta attachment on my KitchenAid mixer to roll out the fondant. (Ok, this isn't a necessity...a roller will absolutely get the job done. But it's a beautiful thing to just put the fondant in at the top and have it roll out, all the same thickness, with no fanfare in about ten seconds.) Then I used a plastic five petal cookie cutter, popped out the shapes, and used this silicone flower veiner:
It takes the cutout from this
Then I put them in little flower formers to keep their shape while they dried and I frosted the cupcakes. I added the flowers at the very end, along with some sugar pearls for the centers.
Even though I am all about over the top decorations when it comes to caking, I like that you may not notice the flowers at first, but as you get closer, can see the details.