Since I used boxed funfetti cupcakes and its coordinating canned icing (I know, scandalous!), there is no recipe in this post.
However, this was the very first time I tried piping rather than slapping the frosting on with a spatula. I dumped the frosting into a ziploc and clipped the corner, and poof!
Although, note to self: 1 can would be fine when you do the spatula method, but when piping? Spring for the extra can. My little masterpieces got smaller and smaller as I went through the tin!