The first of the story starters, for when you're running low on ideas:
Start with a sound. For example, "Crinch." or "Kapow!" or "Shh, shh, shhhh...."
For a timely example, take a look at Brownie Groundhog and the February Fox, written by Susan Blackaby with characters and illustration created by Carmen Segovia. I love the little fox's "piff, piff, hoop, hoop," for instance.
Think of some sounds that are fun to say. What stories do they bring to mind?