Want to give it a try?
Lots of little flowers
Heavy books or a flower press
First we picked flowers, then pressed them by putting them on parchment paper and sticking them into a heavy book for several days. (Then I found this tutorial by Tinkerlab and wished I'd seen it sooner.)
Once the flowers were dried and pressed (did I mention that small flowers work best yet?), we cut a long strip of contact paper and folded it in half to be sure it was even.
When it looks just the way you'd like, add another piece of contact paper, sticky side down, over the first. This should "seal" it. Trim the edges so no sticky paper is hanging out over the edges.