Here is a polka-dot scarf I started using Knit Picks Elegance yarn:
I had picked up some of this yarn to check out the colors and the yarn itself. It's really quite nice... so it's now a scarf knit as a tube to hide the ugly backside.
And this is the Diagonal Lace Rib scarf from the knitters book of handy patterns. I came across a photo of this scarf on someone's blog and thought that my hand painted yarn from Inspirations would look nice. Both sides are different but nice: