OMG! Yes! Love all these ideas! The last one? Genius!
Fabric bulletin boards can be expensive, but you can easily and inexpensively make one of your own using this tutorial.
What Happens in First Grade: Teacher Week 2013: Tips & Tricks - Make a Fabric Bulletin Board from "scratch"
Rag Rescue: Vintage fabric bulletin boards
diy treehouse - great decor for forest-themed classroom
Filament Fiber Fabric Bulletin Board
Teacher Week 2013: Tips
use fabric instead of paper for your bulletin board background
DIY Fabric Covered Bulletin Board from a thrift store drawer
How to cover a classroom bulletin board with fabric by yourself!