Hrönn Traustadóttir from Iceland created this demonstration video showing her technique for quickly adding background layers with stencils using PanPastel Pearlescent Colors and Original Colors along with a Sofft Big Oval sponge.
https://vimeo.com/user51146379hronndesign/hronndesigbackgroundbirdy
To find out more about Hrönn Traustadóttir follow her:
https://www.instagram.com/hrannsa/
https://www.facebook.com/hronndesign/