"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~
Clever bumper design by Olli Ella - claradeparis.com
Gold and White Crib Bumper | Gold Dust Crib Collection
Crib bumpers. Breathable! Maybe a DIY in my future?
Crib bumper/cradle bumper baby cot bumper by PocketsKidsKingdom