"Elle Apparel: crib bedding/bumper tutorial"--I've heard mixed things about whether you should even use a bumper in a crib, but just in case I do use one (and feel like customizing it) here's a great tutorial to keep in mind~
DIY Crib Bumpers with Piping and Ties - Variety by Vashti
Easy to understand crib bumper tutorial with piping.
Crib bumper/cradle bumper baby cot bumper by PocketsKidsKingdom
Clever bumper design by Olli Ella - claradeparis.com
You've chosen the adorable matching crib bedding - but what do you do with the bumper now that they're considered unsafe? Check out these creative ideas!
Mrs. Lawler's Lovelies: 12 Uses for the FORBIDDEN crib bumpers!
Crib bumpers. Breathable! Maybe a DIY in my future?
Cute crib bumpers- DIY - arrows and aztec
How to make your own crib bumper pads