Story-Time Mats: "James's birthday was full of lots of DIY projects, and one of my absolute favorite was our custom picnic blankets," Christina says. "I didn't want to spend a ton on random picnic blankets for the kids to sit on during story time, so we bought canvas drop cloths (with leak-proof backing) from Home Depot, used painter's tape to create graphic patterns, and then just painted the exposed fabric. Once it was all dry, we pulled the tape up, and voilà, a beautiful custom picnic bla...