Have you ever seen Uke Minutes? They're great, and they often have an easy diy sensibility: My version was made with an old fence plank because we had a pile of them in the backyard. Screws we had, as well, and it was an easy trip to the hardware store to get a handful of tool hooks. This is how the resident ukulele population has grown in the last several months. There's the Duke, and the Gaspar--both of them relics of my mom's collection. Between them sits the blue Dolphin, now quite…