I added foam tape between layers of chipboard to make them thicker so I could tape the insert in place on the back of the frame. I could have used cardboard instead too.
And here is the final result, in my daughter Katie's room:
At some point I think I might add some ribbon roses or those rolled felt flowers but for now, I am happy with these simple graphic frames. The paper is Teresa Collins' Chic Bebe Girl Line, leftover from the Divaliscious albums kits I had sold in my etsy shop earlier this year. The K was cut with my Silhouette from SEI suede paper--I love the rich black it is!