Something like this! You could paint white stripes on your grey wall, get a white dresser, and do that cute shelf with their baby pictures and a cute print. And don't get that hideous rug.
A Room Built For Two: Shared Bedroom Inspiration - www.lilsugar.com. I like the hanging tissue paper balls, easy DIY decor and can be made in any color.
this crib is to die for.
Petit & Small: Inspiring Room with Pastel Tones + Tiger Cape
La habitación de Martina y Lola (I) | http://www.conbotasdeagua.com/la-habitacion-de-martina-y-lola-i/
such a pretty, sunny, shared kids room
Sweet, fun nursery. Pastels, a few bright touches.