Under the stairs storage ideas (with the exception of storing your child under there. Don't know why they added Harry Potter in when photoshopping the pics together). Really cool if you can do that in your house.
I wouldn't want to paint my bathroom any colors that would create bad lighting for doing makeup, and i don't like the flooring here, but i LOVE the pop of color, and the drawer under the sink idea, with the color inside.
Ice cube as a caulk tool. Run it down the caulk line, applying steady pressure. The film of water that forms between the ice cube and the caulk makes a smooth, professional finish, and you can melt the cube in your hand to get any bead shape you want.