It is impossible to resist the charm of Supermarket Sarah. If you’re not already familiar, Sarah Bagner’s “walls” started in her home as an alt online shopping experience, and have since bloomed into collaborative public spaces, overflowing with inspirational eye candy. I’ve included some of my favorite walls after the jump. And for all you Londonites, you can just meander over to Selfridges for a real-world peek. Meanwhile, I’m getting all kinds of ideas for a rotating display in my own house …