Blue Mountain Daisy: YoYo Sampler Blocks
YO YO YO YO YO YO
May Sugar Block. For a barn quilt, different colors would work better so it wouldn't look so seasonal.
Stuff I want to make
glass block - master bath, since he insists on a huge shower space.
Dream Home - Master Bathroom
We're Almost There: How to Transfer a Photo onto a Glass Block... Forget the Mod Podge!
Glass block raised bed
Garden - General
Beautiful ~ yoyo block
Victoriana Quilt Designs has a tutorial and a template.